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# Class 8 - Rational Numbers Worksheet 3

1. 16 × [37 + 45] = [16 × 37] + ____.

a) 16 × 45                  b) 37 × 45
c) 37                          d) None of these

2. Simplify 345 × 2512 + (-116).

a) 1113                     b) 1213
c) 3423                     d) 3135

3. Simplify 94 + 78316.

a) 78                     b) 116
c) 2156                 d) None of these

4. 1221 ÷ 367 × -45 = _____.

a) 745                     b) 1145
c) 521                     d) -445

5. Reciprocal of 311 ÷ 544 is equal to _______.

a) 125                     b) 512
c) 134                     d) 413

6. -135 − (-710) = _____.

a) -910                     b) -1510
a) -750                     b) 115

7. -57 × 7721 ÷ 53 = _____.

a) 137                     b) 2521
c) -147                    d) None of these

8. Write the reciprocal of (-49 × 35) + (112 × 23).

a) 125                     b) 335
c) 175                     d) 517

9. Simplify 25 × [4012 + 154] and name the property of multiplication that is used here.

a) 176, Distributive
b) 305, Associative
c) 203, Closure
d) 176, Associative

10. The cost of 143 m wire is 1963 rupees. Find cost of 1 m of the wire?

a) Rs. 21                     b) Rs. 14
c) Rs. 34                     d) Rs. 100

11. If 15 of a number is added to 13 of that number, the result is 50 greater than half of that number. Find the number?

a) 750                   b) 1500
c) 400                   d) 350

12. Three friends Mita, Sweta and Smita divided a packet of wheat weighing 8512 kg equally. How much kgs wheat did each get.

a) 2836                    b) 1713
c) 2812                    d) None of these

13. A bag is filled with oranges, each weighing 112 kg. The weight of the bag should not exceed 36 kg. Find the maximum number of oranges that can be put inside the bag.

a) 6                      b) 8
c) 9                      d) 5

14. Divide the sum of 115 and 197 by the product of -35 and 12, then we get _____.

a) 1935                   b) -16821
c) 337                     d) 32321

15. The average of the two middle rational numbers if 57, 19, 23, 43 are arranged in ascending order is__________.

a) 2942                      b) 2921
c) 2027                      d) 1254

16. A boy was asked to multiply a given number by 23 but he divided the given number by 23. His answer was 40 more than the correct answer. What was the given number?

a) 42                      b) 45
c) 32                      d) 48

17. The rational number 5-4 lies to the right of zero on the number line. Mark the True/False.

a) False                    b) True

18. Rational number can be added and multiplied in any sequence. Mark True / False.

a) False                    b) True

19. -45 is smaller than −2. Mark True /False.

a) True                    b) False

20. -47 is ____ than −3. Fill in the blank with <, >, =.

a) >=                   b) =
c) <                     d) >

Rational Numbers Worksheet - 1

Rational Numbers Worksheet - 2

Rational Numbers Worksheet - 3

Rational Numbers Worksheet - 4