11th April - dpsi.ac.indpsi.ac.in/DPSInternational/UserSpace/UserName/sktadmi… · Web viewClass 9 | Maths. A water tank is in the shape of a cylinder with a conical part on top

14 th JuneClass 9 | Maths

A water tank is in the shape of a cylinder with a conical part on top. The cylindrical and conical parts have the same base diameter. The height of the conical part is equal to that of the cylindrical part.

(Volume of a cylinder = π × radius2 × height, and Volume of a cone = 1/3 π × radius2 × height)

The base of the cylinder has an area of 'Q' m2, and its height is 'H' m. What is the volume of water that the entire tank can hold?

A. 4/3 QHB. 2 QHC. 4/3 π Q2HD. Cannot say without knowing the radius of the base.

Yesterday's Question | Class 9 | English

Hari placed the _______ in a ________.

A. spool - loops B. ward - drawC. reward - drawer D. pot -top

Correct Answer : C

13 th JuneClass 9 | English

Hari placed the _______ in a ________.

A. spool - loopsB. ward - drawC. reward - drawerD. pot -top

Saturday's Question | Class 9 | Social Studies

The cartoon below shows the choice and purchasing power that today's consumer has. Which of the following reasons directly leads to the creation of a wide consumer choice?

A. the liberalization of the country's economy B. a coalition government in power

C. the spread of Information technology D. the homogenisation of Indian culture

Correct Answer : A

11 th JuneClass 9 | Social Studies

The cartoon below shows the choice and purchasing power that today's consumer has. Which of the following reasons directly leads to the creation of a wide consumer choice?

A. the liberalization of the country's economyB. a coalition government in powerC. the spread of Information technologyD. the homogenisation of Indian culture

Yesterday's Question | Class 9 | Science

Which of the following is the MOST important reason for CNG to be promoted as a fuel for automobiles?

A. it does not emit carbon dioxide B. it undergoes almost complete combustionC. it is a renewable source of energy D. it satisfies all the conditions A, B and C

Correct Answer : B

10 th JuneClass 9 | Science

Which of the following is the MOST important reason for CNG to be promoted as a fuel for automobiles?

A. it does not emit carbon dioxideB. it undergoes almost complete combustion

C. it is a renewable source of energyD. it satisfies all the conditions A, B and C

Yesterday's Question | Class 9 | Maths

A number is increased by 100%. To get back the original number back, this new number should be decreased by 50%. (For example, if I take 8 and increase it by 100%, I will get 16. To get it back to 8, I have to decrease it by 8, which is 50% of 16)

Now, a number is increased by 200%. To get back the original number back, this new number should be decreased by how much?

A. 50% B. 66.7%C. 100% D. 200%

Correct Answer : B


A number is increased by 100%. To get back the original number back, this new number should be decreased by 50%. (For example, if I take 8 and increase it by 100%, I will get 16. To get it back to 8, I have to decrease it by 8, which is 50% of 16)

Now, a number is increased by 200%. To get back the original number back, this new number should be decreased by how much?

A. 50%B. 66.7%C. 100%D. 200%


If we drop a perfectly transparent piece of glass into perfectly clear water, will we

be able to see the glass?

A. Yes, because the refractive indices of glass and water are different.

B. Yes, because no refraction takes place at the glass surface.

C. No, because both the water and the glass slab are transparent.

D. No, because light will be reflected away from the water surface itself.

Correct Answer : A

8 th JuneClass 9 | Science

If we drop a perfectly transparent piece of glass into perfectly clear water, will we be able to see the glass?

A. Yes, because the refractive indices of glass and water are different.B. Yes, because no refraction takes place at the glass surface.C. No, because both the water and the glass slab are

transparent.D. No, because light will be reflected away from the water surface itself.


Parallelograms are classified according to their diagonal properties in the table below.

Which cell or cells would contain those parallelograms that are NOT rectangles?

A. only cell 3 B. cell 1 and cell 2C. cell 1 and cell 3 D. cell 3 and cell 4

Correct Answer : D


Parallelograms are classified according to their diagonal properties in the table below.

Which cell or cells would contain those parallelograms that are NOT rectangles?

A. only cell 3B. cell 1 and cell 2C. cell 1 and cell 3D. cell 3 and cell 4


An agitation was ________ by the mishandling of the case.

A. stemmed at B. sparked offC. reported of D. risen out

Correct Answer : B

6 th JuneClass 9 | English

An agitation was ________ by the mishandling of the case.

A. stemmed atB. sparked offC. reported ofD. risen out


The state of Arunachal Pradesh wants to encourage cottage industries in the state. Considering the natural resources and geographical factors of the region such as its high rainfall and temperate climate, which of these crafts is the best option to pursue?

A. bamboo and cane craft B. ceramic pots and terracotta art C. decorative shell article D. brass metal craft

Correct Answer : A

4 th JuneClass 9 | Social Studies

The state of Arunachal Pradesh wants to encourage cottage industries in the state. Considering the natural resources and geographical factors of the region such as its high rainfall and temperate climate, which of these crafts is the best option to pursue?

A. bamboo and cane craft B. ceramic pots and terracotta art

C. decorative shell articleD. brass metal craft


Sridhar has made a model lung using a plastic bottle, straws and balloons. In the resting state when the elastic membrane is not stretched, it looks as follows:

Which of the following diagrams correctly represents the functioning of lungs?

A. B.

C. D.

Correct Answer : D

3 rd JuneClass 8 | Science

Which of these is/are insects?

A. AllB. Only the antC. The ant and the spiderD. The butterfly, ant and grasshopper


In a 2-digit number, a and b are the digits at its tens and ones place respectively. Which of the following is the 2-digit number?

A. a × b B. 10a + bC. 10b + a D. 10 (a+b)

Correct Answer : B

2 nd JuneClass 9 | Maths

The cube shown above has a volume of 8 cm3. 8 such cubes were joined to form a larger cube shown here.

What will be the total surface area of this larger cube?

A. 16 cm2

B. 24 cm2

C. 64 cm2

D. 96 cm2


To compare the hearing capacities of 5 of his friends, Ravi designs a simple experiment. He places a CD player at the end of a long hall containing a CD with 5 well-known songs.

One by one each person hears the same 5 songs he plays softly but at a pre-determined volume.

Each person starts at a distance of 1 metre from the player and moves away from it. The distance at which a person says that he cannot hear the song any more, is noted. Others are not in the room when 1 person is hearing the songs.

Which of these steps may increase the reliability of the results obtained?

A. having each person listen to just 1 song instead of 5

B. allowing all people to stay in the room for the entire experiment

C. having each person start from far and walk towards the CD player

D. varying the volume for the different songs being played

Correct Answer : C

1 st JuneClass 9 | Science

To compare the hearing capacities of 5 of his friends, Ravi designs a simple experiment. He places a CD player at the end of a long hall containing a CD with 5 well-known songs.

One by one each person hears the same 5 songs he plays softly but at a pre-determined volume.

Each person starts at a distance of 1 metre from the player and moves away from it. The distance at which a person says that he cannot hear the song any more, is noted. Others are not in the room when 1 person is hearing the songs.

Which of these steps may increase the reliability of the results obtained?

A. having each person listen to just 1 song instead of 5B. allowing all people to stay in the room for the entire experimentC. having each person start from far and walk towards the CD playerD. varying the volume for the different songs being played


If s : t = 2 : 3 and t : r = 4 : 5, then s : r will be

A. 2 : 5 B. 3 : 5C. 10 : 12 D. 8 : 15

Correct Answer : D

31 st MayClass 9 | Maths

If s : t = 2 : 3 and t : r = 4 : 5, then s : r will be

A. 2 : 5B. 3 : 5C. 10 : 12D. 8 : 15


Which word means 'a tool for smoothening edges' and is 'a line of people'?

A. saw B. rankC. file D. bolt

Correct Answer : C

30 th May

Class 9 | English

Which word means 'a tool for smoothening edges' and is 'a line of people'?

A. sawB. rankC. fileD. bolt


It is likely that the paintings shown above are influenced by

A. the painting style of the Mughal court. B. the folk style of Kalamkari art.C. the murals of Ajanta caves. D. the Buddhist murals of Kashmir.

Correct Answer : A

28 th MayClass 9 | Social Studies

It is likely that the paintings shown above are influenced by

A. the painting style of the Mughal court.B. the folk style of Kalamkari art.C. the murals of Ajanta caves.D. the Buddhist murals of Kashmir.


Guam is a small island near Indonesia in the Pacific Ocean. Study the information given below and answer questions 25 to 27.

Why are animals like the kingfisher and tern missing from the 1995 food web?

A. They were probably rendered extinct in Guam by the brown tree snake.

B. They stopped feeding on or being fed upon by other animals in the food web.

C. The food web is a simplified representation - hence it does not show them.

D. (This is an error. The kingfisher and tern should be shown in the 1995 web.)

Correct Answer : A

27 th MayClass 9 | Science

Guam is a small island near Indonesia in the Pacific

Ocean. Study the information given below and answer questions 25 to 27.

Why are animals like the kingfisher and tern missing from the 1995 food web?

A. They were probably rendered extinct in Guam by the brown tree snake.B. They stopped feeding on or being fed upon by other animals in the food web.C. The food web is a simplified representation - hence it does not show them.D. (This is an error. The kingfisher and tern should be shown in the 1995 web.)


A set of numbers is said to be COMMUTATIVE under the operation '+' if m + n = n + m, for any two numbers m and n of that set. Similarly, a set of numbers is said to be COMMUTATIVE under the operation '×' if m × n = n × m.

Which of the following sets is COMMUTATIVE under the operation '-'?

A. the set of integers B. the set of natural numbersC. the set of rational numbers D. none of the above

Correct Answer : D

26 th MayClass 9 | Maths

A set of numbers is said to be COMMUTATIVE under the operation '+' if m + n = n + m, for any two numbers m and n of that set. Similarly, a set of numbers is said to be COMMUTATIVE under the operation '×' if m × n = n × m.

Which of the following sets is COMMUTATIVE under the operation '-'?

A. the set of integersB. the set of natural numbersC. the set of rational numbersD. none of the above


A ROCK is an aggregate of one or more minerals. If these minerals are unconsolidated, they are known loosely as sediments. SEDIMENTS are materials which may be transported by water, wind, ice or gravity. Sediments can be classified according to their grain size using the Wentworth Scale or the US Standard Sieve Mesh numbers. Study the data given alongside and answer questions 13 and 14.

Which of these meshes would allow FINE SAND through but not COARSE SAND?

A. Size 20 B. Size 50C. Size 100 D. Size 200

Correct Answer : B


A ROCK is an aggregate of one or more minerals. If these minerals are unconsolidated, they are known loosely as sediments. SEDIMENTS are materials which may be transported by water, wind, ice or gravity.

Sediments can be classified according to their grain size using the Wentworth Scale or the US Standard Sieve Mesh numbers. Study the data given alongside and answer questions 13 and 14.

Which of these meshes would allow FINE SAND through but not COARSE SAND?

A. Size 20B. Size 50C. Size 100D. Size 200


Sticks of length x units, y units and z units form a right angled triangle if x2 + y2 = z2.

If sticks of length a, b and c centimetres form the sides of a right angled triangle, which of these sets of sticks will also form a right

angled triangle?

A. a/3 cm, b/3 cm, c/3 cm B. 3a cm, 4C. a + 2 cm, b + 2 cm, c + 2 cm D. a2 cm,

Correct Answer : A


Sticks of length x units, y units and z units form a right angled triangle if x2 + y2 = z2.

If sticks of length a, b and c centimetres form the sides of a right angled triangle, which of these sets of sticks will also form a right angled triangle?

A. a/3 cm, b/3 cm, c/3 cmB. 3a cm, 4b cm, 5c cmC. a + 2 cm, b + 2 cm, c + 2 cmD. a2 cm, b2 cm, c2 cm


37 killed in Kashmir avalanches, landslides.

A. 37 people was killed in avalanches and landslides in Kashmir.

B. 37 people were killed in avalanches and landslides in Kashmir.

C. 37 people had been killed in avalanches and landslides in Kashmir.

D. 37 people are being killed in avalanches and landslides in Kashmir.

Correct Answer : B

23 rd MayClass 9 | English

37 killed in Kashmir avalanches, landslides.

A. 37 people was killed in avalanches and landslides in Kashmir.B. 37 people were killed in avalanches and landslides in Kashmir.C. 37 people had been killed in avalanches and

landslides in Kashmir.D. 37 people are being killed in avalanches and landslides in Kashmir.


Observe the following miniature paintings of Pahari School in Kangra Valley, Himachal Pradesh and answer questions 9 and 10. Identify the painting that depicts 'bhakti rasa'?

A. B.

C. D.

Correct Answer : D

21 st MayClass 9 | Social Studies

Observe the following miniature paintings of Pahari School in Kangra Valley, Himachal Pradesh and answer questions 9 and 10. Identify the painting that depicts 'bhakti rasa'?

A. B.

C. D.


Aphelion: Point farthest from the sun in the orbit of a body about the sunPerihelion: Point nearest from the sun in the orbit of a body about the sun

Though the earth's orbit around the sun is, strictly speaking, elliptical, it is almost a circle. If the earth's perihelion is 147 million kilometers, what could its aphelion be?

A. About 2 times the perihelion, 300 million kilometers

B. About 3 times the perihelion, 450 million kilometers

C. Slightly more than the perihelion, about 155 million kilometers

D. Exactly the same as the perihelion, 147 million kilometres

Correct Answer : C


Aphelion: Point farthest from the sun in the orbit of a body about the sunPerihelion: Point nearest from the sun in the orbit of a body about the sun

Though the earth's orbit around the sun is, strictly speaking, elliptical, it is almost a circle. If the earth's perihelion is 147 million kilometers, what could its aphelion be?

A. About 2 times the perihelion, 300 million kilometersB. About 3 times the perihelion, 450 million kilometersC. Slightly more than the perihelion, about 155 million kilometersD. Exactly the same as the perihelion, 147 million kilometres


A bag contains some balls that are either red or yellow. There are 84 RED balls in the bag. If a ball is taken out of the bag without looking, the chances of it being RED are 70%. What is the number of YELLOW balls in the bag?

A. 30 B. 36C. 59 D. 84

Correct Answer : B


A bag contains some balls that are either red or yellow. There are 84 RED balls in the bag. If a ball is taken out of the bag without looking, the chances of it being RED are 70%. What is the number of YELLOW balls in the bag?

A. 30B. 36C. 59D. 84


It is found that different enzymes have different temperatures at which they work best as shown in the graph. For example, the Enzyme 1 shown is found in humans and is active at 37 degrees C, the human body temperature. What can we say about Enzyme 2?

A. It is likely to be found in the stomach of human beings and to help in digestion.

B. It is likely to be found in a cold-blooded animal like fish or reptiles.

C. It is likely to be found in a bacterium that survives at higher temperatures.

D. It is likely to be found in dogs whose body temperature is about 39 degrees C.

Correct Answer : C


It is found that different enzymes have different temperatures at which they work best as shown in the graph. For example, the Enzyme 1 shown is found in humans and is active at 37 degrees C, the human body temperature. What can we say about Enzyme 2?

A. It is likely to be found in the stomach of human beings and to help in digestion.B. It is likely to be found in a cold-blooded animal like fish or reptiles.C. It is likely to be found in a bacterium that survives at higher temperatures.D. It is likely to be found in dogs whose body temperature is about 39 degrees C.


What is the remainder when 33 x 33 x 33 is divided by 5? (Hint: You do not have to do the multiplication!)

A. 0 B. 2

C. 4 D. 7

Correct Answer : B


What is the remainder when 33 x 33 x 33 is divided by 5? (Hint: You do not have to do the multiplication!)

A. 0B. 2C. 4D. 7


'We have to change buses at Mumbai.' What does this mean?

A. This bus is not working. B. Avoid travelling by one bus.C. We can get a better bus. D. This bus goes only part of the way.

Correct Answer : D

16 th MayClass 9 | English

'We have to change buses at Mumbai.' What does this mean?

A. This bus is not working.B. Avoid travelling by one bus.C. We can get a better bus.D. This bus goes only part of the way.


The picture alongside depicts a train journey between one of these pairs of cities. Which pair is it?

A. New Delhi - Agra B. Patna – VaranasiC. Mumbai – Pune D. Thiruvanatapuram - Kanyakumari

Correct Answer : C


The picture alongside depicts a train journey between one of these pairs of cities. Which pair is it?

A. New Delhi - AgraB. Patna – VaranasiC. Mumbai – PuneD. Thiruvanatapuram - Kanyakumari

Yesterday's Question | Class B | Science

See this picture of a typical torch bulb:

It can be lighted using a battery and TWO wires as shown here:

Is it possible to light the same bulb using the same battery but with only ONE wire (which is not allowed to be cut, obviously)?

A. No, because 2 wires are needed to complete the circuit.

B. No, because the bulb will get fused if we try to light it without 2 wires.

C. Yes, but the bulb will have to be kept touching the battery directly.

D. Yes, but each end of the wire must touch one end of the battery.

Correct Answer : C


See this picture of a typical torch bulb:

It can be lighted using a battery and TWO wires as shown here:

Is it possible to light the same bulb using the same battery but with only ONE wire (which is not allowed to be cut, obviously)?

A. No, because 2 wires are needed to complete the circuit.B. No, because the bulb will get fused if we try to light it without 2 wires.C. Yes, but the bulb will have to be kept touching the battery directly.D. Yes, but each end of the wire must touch one end of the battery.


A solid shape made by joining identical cubes is placed on a table. When viewed from different sides, the solid looks as shown below:Which of these could be the solid?

A. B.

C. D.

Correct Answer : D


A solid shape made by joining identical cubes is placed on a table. When viewed from different sides, the solid looks as shown below:Which of these could be the solid?

A. B.

C. D.


By studying the symbol/formula of these substances, identify the one that cannot be decomposed by a chemical reaction?

A. Ti B. HFC. N2O D. H2O

Correct Answer : A


By studying the symbol/formula of these substances, identify the one that cannot be decomposed by a chemical reaction?

A. TiB. HFC. N2OD. H2O


If we divide x3 + 3x by x, the result will be

A. x2 + 3x B. x3 + 3C. 2x + 3 D. x2 + 3

Correct Answer : D


If we divide x3 + 3x by x, the result will be

A. x2 + 3xB. x3 + 3

C. 2x + 3D. x2 + 3


''This is a list of students whose names begin with B. ''What kind of sentence is this?

A. statement B. questionC. instruction D. exclamation

Correct Answer : A

9 th MayClass 9 | English

''This is a list of students whose names begin with B. ''What kind of sentence is this?

A. statementB. questionC. instructionD. exclamation


In the middle of 1st millennium AD a powerful tribe - the Huns - invaded India from Central Asia. Identify the probable route through which they reached India.

A. B. C. D.

Correct Answer : B


In the middle of 1st millennium AD a powerful tribe - the Huns - invaded India from Central Asia. Identify the probable route through which they reached India.

A. B. C. D.


Three balls are thrown from the top of cliff along paths P, Q and R. If their initial speeds are the same and there is no air resistance, under what conditions will the balls strike the ground below with the same speed?

A. This will happen if the mass of each ball is the same.

B. This will happen if the distance travelled by each ball is the same.

C. (This cannot happen unless the paths of the balls are identical.)

D. (This will always happen - no additional condition is required.)

Correct Answer : A


Three balls are thrown from the top of cliff along paths P, Q and R. If their initial speeds are the same and there is no air resistance, under what conditions will the balls strike the ground below with the same speed?

A. This will happen if the mass of each ball is the same.B. This will happen if the distance travelled by each ball is the same.C. (This cannot happen unless the paths of the balls are identical.)D. (This will always happen - no additional condition is required.)


In a vase, there are 6 times as many roses as lilies.

If R stands for the number of roses and L stands for the number of lilies, which of the following equations describes the above statement?

A. R = 6L B. 6R = LC. R = L + 6 D. 6R = 6L

Correct Answer : A

5 th May

Class 9 | Maths

In a vase, there are 6 times as many roses as lilies.

If R stands for the number of roses and L stands for the number of lilies, which of the following equations describes the above statement?

A. R = 6LB. 6R = LC. R = L + 6

D. 6R = 6L


A battery is connected by wires to a bulb as shown below, and the bulb glows.

Through which points does charge flow?

A. 1-2-3-4-1. Charge flows through the battery and bulb also.

B. 1-2-3-4. Charge flows through the wires and the bulb only.

C. 3-4-1-2. Charge flows through the wires and the battery only.

D. There is no flow of charge in the circuit.

Correct Answer : A


A battery is connected by wires to a bulb as shown below, and the bulb glows.

Through which points does charge flow?

A. 1-2-3-4-1. Charge flows through the battery and bulb also. B. 1-2-3-4. Charge flows through the wires and the bulb only. C. 3-4-1-2. Charge flows through the wires and the battery only. D. There is no flow of charge in the circuit.


Which two parallelograms are equal in area?

A. PQRS and PQXY B. PQRS and PQVWC. PQTU and PQVW D. PQVW and PQXY

Correct Answer : B

3 rd May

Class 9 | Maths

Which two parallelograms are equal in area?

A. PQRS and PQXYB. PQRS and PQVWC. PQTU and PQVWD. PQVW and PQXY


A word that is OPPOSITE in meaning to 'overthrow' is '__________'.

A. destroy B. replenishC. order D. reinstate

Correct Answer : D

2 nd MayClass 9 | English

A word that is OPPOSITE in meaning to 'overthrow' is '__________'.

A. destroyB. replenishC. orderD. reinstate


Which of the following could be a part of a 'Corporate Social Responsibility' initiative of a corporate house?

A. establishing a Business School for NRI students

B. establishing a chain of 5-star hotels in Bangalore

C. establishing Knowledge Exchange Centres for farmers

D. sponsoring a beauty pageant in Mumbai

Correct Answer : C

30 th AprilClass 9 | Social Studies

Which of the following could be a part of a 'Corporate Social Responsibility' initiative of a corporate house?

A. establishing a Business School for NRI studentsB. establishing a chain of 5-star hotels in BangaloreC. establishing Knowledge Exchange Centres for farmersD. sponsoring a beauty pageant in Mumbai


Which of the following actions of the ants is NOT necessary for the fungus to grow and spread more?

A. the ant eating any foreign fungus B. the ant eating the swollen tips of filaments

C. the ants transplanting fungus tissue to new parts of the garden

D. the ants making piles of cut leaves

Correct Answer : B

29 th AprilClass 9 | Science

Which of the following actions of the ants is NOT necessary for the fungus to grow and spread more?

A. the ant eating any foreign fungusB. the ant eating the swollen tips of filamentsC. the ants transplanting fungus tissue to new parts of the gardenD. the ants making piles of cut leaves


One man takes one day to dig a 4 m long trench. How long would it take 2 men working at the same rate to dig a 16 m long trench?

A. 1 day B. 2 daysC. 4 days D. 8 days

Correct Answer : B

28 th AprilClass 9 | Maths

One man takes one day to dig a 4 m long trench. How long would it take 2 men working at the same rate to dig a 16 m long trench?

A. 1 dayB. 2 daysC. 4 daysD. 8 days


The ants killing off any other species of fungus that starts growing among the leaves is similar to which of the following human agricultural practices?

A. using fertilizers B. weeding C. irrigation D. harvesting

Correct Answer : B

27 th AprilClass 9 | Science

The ants killing off any other species of fungus that starts growing among the leaves is similar to which of the following human agricultural practices?

A. using fertilizersB. weeding C. irrigationD. harvesting


Zubin wants to cover the CURVED SURFACE of an old waste paper basket with coloured paper. The dimensions of the basket are shown below. What is the total area that has to be covered with paper?

A. 220 cm2 B. 440 cm2C. 880 cm2 D. 1760 cm2

Correct Answer : C

26 th April Class 9 | Maths

Zubin wants to cover the CURVED SURFACE of an old waste paper basket with coloured paper. The dimensions of the basket are shown below. What is the total area that has to be covered with paper?

A. 220 cm2B. 440 cm2C. 880 cm2D. 1760 cm2


Which of these is a verb form of crime?

A. discriminate B. incriminateC. criminal D. crimed

Correct Answer : B

25 th April Class 9 | English

Which of these is a verb form of crime?

A. discriminateB. incriminateC. criminalD. crimed


What issue or concern is this cartoon trying to highlight?

A. Rising poverty in underdeveloped nations B. Possibility of a nuclear war on earth

C. Increasing global warming D. Depletion of the earth's fuel reserves

Correct Answer : D

22 th April Class 9 | Science

The relationship between the ants and the fungi is mutually beneficial. Which of the following situations would make the relationship beneficial to only ONE of them?

A. The fungus grows twice as fast over the leaf collection.B. The swollen tips produced by the fungus are full of cellulose.C. The ants start cutting the leaves into smaller pieces.D. A storm destroys the leaves and the ants are killed.

Yesterday's Question | Class 9 |

Maths

(x + 1)3 is the same as

A. x3 + 1C. (x + 1) (x + 1)2

Correct Answer : C


(x + 1)3 is the same as

A. x3 + 1B. (x2 + 1) (x + 1)C. (x + 1) (x + 1)2

D. x3 + 3x2 + 1


The constellation Great Bear is shown. As seen from the earth, in how much time does the shape of this constellation change?

A. It would never ever change.C. It would change over a few million years.

Correct Answer : C


The constellation Great Bear is shown. As seen from the earth, in how much time does the shape of this constellation change?

A. It would never ever change.B. It changes from day to day.C. It would change over a few million years.D. It changes over a few decades.

Yesterday's Question | Class 9

| Maths

Mrs. Singh and her son start from home in their car. She is on her way to the supermarket. On the way, she stops to drop her son at his drawing class. She drives on to the supermarket, spends some time shopping there and then drives back home.Which of the graphs below correctly describes Mrs. Singh's journey?

A.

C.

Correct Answer : D


Mrs. Singh and her son start from home in their car. She is on her way to the supermarket. On the way, she stops to drop her son at his drawing class. She drives on to the supermarket, spends some time shopping

there and then drives back home.Which of the graphs below correctly describes Mrs. Singh's journey?

A. B.

C. D.


Which of these headlines is in the Active Voice?

A. 9 Die in Mulund Train Blast B. Circus Animals Rescued by High Court Order

C. 3 Held for Betting on Cricket Match

D. Varsity Professor Told to Leave as Probe begins

Correct Answer : A


Which of these headlines is in the Active Voice?

A. 9 Die in Mulund Train BlastB. Circus Animals Rescued by High Court OrderC. 3 Held for Betting on Cricket MatchD. Varsity Professor Told to Leave as Probe begins


The Government of India owns many different companies but is now selling its part of these companies. This is called disinvestment. Which of the following organisations would NOT come under the Government of India's disinvestment policy?

A. Indian Airlines B. Hindustan PetroleumC. Indian Air Force D. Videsh Sanchar Nigam Limited

Correct Answer : C


An oxide ion (O2-) formed from an Oxygen–18 atom contains exactly

A. 8 electrons, 8 protons, 10 neutronsB. 10 electrons, 8 protons, 10 neutronsC. 8 electrons, 10 protons, 8 neutronsD. 6 electrons, 6 protons, 12 neutrons

Yesterday's Question | Class 9

| Maths

-100, -97, -94, -91, -88, -85,….

If the above series

is continued, which of the following numbers would appear in it?

A. 0C. -2

Correct Answer : B


-100, -97, -94, -91, -88, -85,….

If the above series is continued, which of the following numbers would appear in it?

A. 0B. -1C. -2D. -3


The figure shows parallel rays in air diverging after passing through a glass object. Which of the following objects could it be?

A. convex lensC. concave lens

Correct Answer : C


The figure shows parallel rays in air diverging after passing through a glass object. Which of the following objects could it be?

A. convex lensB. glass slabC. concave lensD. convex mirror


I start with 1000 and start writing

a series of numbers - subtracting 6 every time to get the next number. The series looks like this: 1000, 994, 988, 982, ....and so on.If the series is continued, which will be the first negative number to appear in it?

A. - 6C. - 2

Correct Answer : C

12 th April

Class 9 | Maths

I start with 1000 and start writing a series of numbers - subtracting 6 every time to get the next number. The series looks like this: 1000, 994, 988, 982, ....and so on.If the series is continued, which will be the first negative number to appear in it?

A. - 6B. - 4C. - 2D. - 1


Which part of this sentence contains an error?

''Although Mitali did not know how to dance, but she took part in the competition.''

A. Although Mitali did not knowC. but she took part

Correct Answer : C


Which part of this sentence contains an error?

''Although Mitali did not know how to dance, but she took part in the competition.''

A. Although Mitali did not knowB. how to dance,C. but she took partD. in the competition.

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11th April - dpsi.ac.indpsi.ac.in/DPSInternational/UserSpace/UserName/sktadmi… · Web viewClass 9 | Maths. A water tank is in the shape of a cylinder with a conical part on top