mat rsbi 7

Soal Latihan Semester 1 Daisy Yani

http://mathematicssss.blogspot.com Page 1

1. Let x = 8 and y =15, the result of operation - (x - y) is . . . .

A. 7

B. -7

C. 23

D. -23

2. Six hours ago ,the air temperature was -10C. Now, the temperature decreases 7C, the

current temperature is . . . .

A. 17C

B. 3C

C. - 3C

D. -17C

3. The value of b from (6 b) (-15) = 6 [5 (-15)] is . . . .

A. -15

B. 5

C. 6

D. 11

4. Given a = (-156) : (-3) : 4. The value of a is . . . .

A. 208

B. 13

C. -13

D. -208

5. The result of operation [-12 - (-60)] : [8+(-10)] is . . . .

A. -36

B. -24

C. 24

D. 36

6. The estimation of 142 275 to nearest hundreds digit is . . . .

A. 20.000

B. 30.000

C. 40.000

D. 60.000



7. The simple form of (4 5) (3 7)5 : (6 7) is . . . .

A. 2.35.7

B. 2.3.5.7

C. 2.3.5.7

D. 2.3.5.7

8. The result of (-2)5 : 2

4 is . . . .

A. 10

B. 6.25

C. -6.25

D. -10

9. Write %5

22 as fractions in simplest form .

A. 100

12

B. 125

3

C. 250

6

D. 100

25

10. If the fractions of 5

4,

3

2 and

10

7 are arranged by increasing order, then ....

A. 10

7,

5

4,

3

2

B. 5

4,

10

7,

3

2

C. 3

2,

10

7,

5

4

D. 5

4,

3

2,

10

7

11. The expression 6.51 (5.34 + 2.17) 2.21 is closest to .

A. 46.7

B. 46.6



C. 34.7

D. 34.5

12. 2

11

3

21

4

33 = .

A. 12

113

B. 12

73

C. 12

112

D. 12

72

13. 0,075 x 60.000 = .

A. 45000

B. 4500

C. 450

D. 45

14. The scientific notation form of 0,0004566 is .

A. 45.66 x 10-5

B. 4.566 x 10-4

C. 4.566 x 104

D. 45.66 x 105

15. The width and the length of a rectangle are 33

1cm and 5

4

1cm, then the perimeter of it is

A. 188

3cm

B. 1761 cm

C. 812

7cm

D. 64

3cm



16. A half of the totals of marble in a box are yellow, of those are red and the rests are black.

If the total of marbles in that box is 36, then there are black marbles.

A. 8

B. 9

C. 16

D. 18

17. In the algebraic form 3a2-2ab-b+b

2, then the coefficient of b is .

A. 2

B. 1

C. -1

D. -2

18. The simplest form of 7a2- 3ab+2a+4ab- 5a is .

A. 7a2 + ab - 5a

B. 7a2 - 8a2b+6a2b

C. 7a2 - 3a + ab

D. 7a2 ab + ab

19. The sum of -2(3p - q) and 3(2p - 4q) is .

A. -12p-14q

B. -12p-10q

C. 10q

D. -10q

20. If p = -3, then the value of 2p3 4 is .

A. 50

B. 14

C. -22

D. -58



21. Determine

3

4

2

xx= ....

A.

B.

C.

D.

22. Nanis father buys a car at price Rp. 65,000,000.00. Later, he sells it. In fact, he is suffering

loss 15%. The selling price for his motorcycle is .

A. Rp 9,750,000.00

B. Rp 55,250,000.00

C. Rp 59,475,000.00

D. Rp 74,750,000.00

23. Rifka sold a television for Rp.1,650,000.00. For the selling, he got a profit 10%. The buying

price of the television is .

A. Rp 1,485,000.00

B. Rp 1,500,000.00

C. Rp 1,800,000.00

D. Rp 1,815,000.00

24. Velyn bought a math book for Rp 25,000.00, a science book for Rp 31,200.00, an english

book for Rp 26,500.00. The store will give discount for 20% if the price of the book more

than Rp 25,000.00. What should Velyn pay to the cashier?

A. Rp 66,160.00

B. Rp 71,160.00

C. Rp 77,700.00

D. Rp 82,700.00

6

42 x

6

42 x

6

85 x

6

85 x



25. A fruit seller bought 5 boxes of oranges for Rp 2,500,000,00. Written in box :

The seller sold the oranges for Rp 12,500.00 per kg, then the profit is .

A. Rp 375,000.00

B. Rp 500,000.00

C. Rp 575,000.00

D. Rp 625,000.00

26. A farmer has a loan of Rp 6.000.000 from KUD with the interest rate of 1% monthly. If he

wants to pay it back 15 times, how much does he pay each month?

A. Rp 400,000.00

B. Rp 460,000.00

C. Rp 490,000.00

D. Rp 600,000.00

27. Given mathematic sentences on the bellow

i. 2x + y = 30

ii. x 12 = 2x + 20

iii. y + 15 = 27

iv. 6a 12 = a2 + 20

The form of linear equation with one variable are . . . .

A. (i) and (iii)

B. (i) and (iv)

C. (ii) and (iii)

D. (iii) and (iv)

28. Given : 7k + 27 = 4k 66 , the value of k is . . . .

A. 31

B. 13

Gross 50 kg

Tare 8%



C. -13

D. -31

29. The solution of 2 4

( 6) ( 2)3 5

x x is . . . .

A. x = -17

B. x = -2

C. x = 4

D. x = 42

30. Andi is two years older than Budi and Budi is 6 years older than Chinta. The sum of their

ages when Andi is twice than Chintas age is . . . .

A. 16

B. 28

C. 30

D. 38

31. Given statements on the bellow:

(i) 2x - 16 12 + n

(ii) 6x 15 12 + 3x

(iii)4x + 5

(iv)

The form of linear inequalities with one variable are . . . .

A. (i) and (ii)

B. (ii) and ( iii)

C. (i) and (iii)

D. (ii) and (iv)



32. The solution of: x +19 < 3x + 7 is . . . .

A. x < 13

B. x < 6

C. x > 13

D. x > 6

33. The result of 5

)13(

2

)6(

xx is . . . .

A. x -32

B. x 28

C. x -32

D. x 28

34. The length of a rectangle is 6 cm greater than the side of a square. The width of rectangle is

equal to the side of square. If the area of the rectangle is subtracted by 24 greater than the

area of the square, so the minimum value of width and the length of rectangle are . . . .

A. 3 cm and 9 cm

B. 4 cm and 10 cm

C. 6 cm and 12 cm

D. 8 cm and 14 cm

35. If A : B = 2 : 3 and B : C = 4 : 5 so A : C ...

A. 2 : 15

B. 8 : 15

C. 3 : 5

D. 3 : 4

36. The value of y if 6:3

1:

2

1y is.

A. 9

B. 6

C. 3

D. 1



37. The length of Gatot Subroto street is 4.8 km. in a map, the length of Gatot Subroto street is 8

cm. If in the same map, the length of Sudirman street is 6 cm, then the length of Sudirman

street is .

A. 6.4 km

B. 4.6 km

C. 3.6 km

D. 2.4 km

38. Fiona takes 24 minutes to wash 48 dishes. The number of dishes can she wash in 5

31 hour is .

. . .

A. 65

B. 72

C. 96

D. 192

39. A project can be finished by 20 workers in 36 days, if the project wants to be finished in 24

days, so the number of worker that must be added in the project is.

A. 10 people

B. 15 people

C. 20 people

D. 30 people

40. A project manager calculated a project can be finished by 30 workers in 75 days, but after

done for 10 days, 5 workers quit from the project. So the project will be finished in days .

A. 88

B. 85

C. 80

D. 78

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