Date: 30/01/2015 COLLEGE OF ENGINEERING CHERTHALA

TRAINING AND PLACEMENT CELL APTITUDE TEST-2

1) When a certain number is multiplied by 13, the product consists of entirely of fives. The smallest number

is:

(a)41625 (b)42135 (c)42515 (d)42735

2) Three numbers are in the ratio of 3:4:5 and their LCM is 2400.Their HCF is:

(a)40 (b)80 (c)120 (d)200

3) The number 580,000,000 when expressed in scientific notation, equals:

(a)51.8 x 106 (b)51.8 x 107 (c)5.18 x 108 (d)5.18 x 109

4) One-fifth of a number exceeds one-seventh of the same number by 10. The number is:

(a)125 (b)150 (c)170 (d)200

5) By how much does 12(1/2) +18(1/2) exceed 3(1/2)+2(1/2)

(a)2.5-4(3).5 (b)3.5+2(2).5 (c)2(3.5-2.5) (d)3(3.5-2.5)

6) The average of first 50 natural numbers is:

(a)12.25 (b)21.25 (c)25 (d)25.5

7) Two numbers differ by 5. If their product is 336, then the sum of the two numbers is:

(a)21 (b)28 (c)37 (d)50

8) If m and n are whole numbers such that mn=121, then the value of (m-1)n+1 is:

(a)1 (b)10 (c)121 (d)1000

9) In expressing a length of 81.472 km as nearly as possible with three significant digits, the percentage error

is:

(a)0.034% (b)0.044% (c)0.054% (d)0.64%

10) A shopkeeper sold an article for Rs. 2090.92. Approximately, what will be the percentage profit if he sold

that article for Rs. 2602.58?

(a)15% (b)20% (c)25% (d)30%

11) What least number must be subtracted from each of the numbers 14,17,34 and 42 so that the remainders

are proportional?

(a)0 (b)1 (c)2 (d)7

12) A,B,C hired a car for Rs. 520 and used it for 7,8 and 11 hrs respectively. Hire charges paid by B were:

(a)140 (b)160 (c)180 (d)220

13) If 15 toys cost Rs. 234, what do 35 toys cost?

(a)516 (b)526 (c)536 (d)546

14) A is twice as good a workman as B and together they finish a piece of work in 14 days. The number of days

taken by A alone to finish the work is:

(a)11 (b)21 (c)28 (d)42

15) One pipe can fill a tank 3 times as fast as another pipe. If together the 2 pipes can fill the tank in 36 min,

then the slower pipe alone will be able to fill the tank in:

(a)81 min (b)101 min (c)144 min (d)192 min

16) A train covers a distance of 10 km in 12 min. If its speed is decreased by 5 km/hr., the time taken by it to

cover the same distance will be :

(a)10 min (b)11 min 20 sec (c)13 min (d)13 min 20 sec

17) A train 360 m long is running at a speed of 45km/hr. In what time will it pass a bridge of 140 m long?

(a)40 sec (b)42 sec (c)45 sec (d)48 sec

18) In one hour, a boat goes 11 km along the stream and 5 km against the stream. The speed of the boat in

still water (in km/hr) is:

(a)3 (b)5 (c)8 (d)9

19) In what ratio must a grocer mix of 2 varieties of pulses costing Rs. 15 and Rs. 20 per kg respectively so as

to get a mixture worth Rs. 16.50 per kg?

(a)3:7 (b)5:7 (c)7:3 (d)7:5

20) A sum of Rs. 12,500 amount to Rs. 15,500 in 4 years at the rate of simple interest. What is the rate of

interest(in percentage)?

(a)3 (b)4 (c)5 (d)6

21) Find the compound interest on Rs. 15,625 for 9 months at 16% per annum compounded quarterly.

(a)Rs 1851 (b)Rs 1941 (c)Rs 1951 (d)Rs 1961

22) If a=bx, b=cy and c=az, then the value of xyz is equal to:

(a)-1 (b)0 (c)1 (d)abc

23) The length of the room is 5.5 m and width is 3.75 m. Find the cost of paving the floor by slabs at the rate of

Rs. 800 per sq.meter.

(a)Rs 15,000 (b)Rs 15,550 (c)Rs 15,600 (d)Rs 16,500

24) The area of the base of a rectangular tank is 6500cm2 and the volume of the water contained in it is 2.6

cubic meters. The depth of water in the tank is:

(a)3.5 m (b)4 m (c)5 m (d)6 m

25) In a 100 m race, A can beat B by 25 m and B can beat C by 4 m. In the same race A can beat C by:

(a)21 m (b)26 m (c)28 m (d)29 m

26) Jan 1, 2004 was a Thursday. What day of the week lies on Jan 1, 2005?

(a)Thursday (b) Friday (c) Saturday (d) Sunday

27) The angle between the minute hand and hour hand of a clock when the time is 8.30, is:

(a)80o (b)75o (c)60o (d)105o

28) In how many ways can the letter of the word RUMOUR be arranged?

(a)180 (b)90 (c)30 (d)720

29) In a simultaneous throw of 2 coins, the probability of getting at least one head is:

(a)1/2 (b)1/3 (c)2/3 (d)3/4

30) The angle of elevation of the sun when the length of the shadow of a tree is 3(1/2) times the height of the

tree, is:

(a)30o (b)45o (c)60o (d)90o