Class 8 - Rational Numbers Worksheet 3
1. 1⁄6 × [3⁄7 + 4⁄5] = [1⁄6 × 3⁄7] + ____.
a) 1⁄6 × 4⁄5 b) 3⁄7 × 4⁄5
c) 3⁄7 d) None of these
2. Simplify 34⁄5 × 25⁄12 + (-11⁄6).
a) 111⁄3 b) 121⁄3
c) 342⁄3 d) 313⁄5
3. Simplify 9⁄4 + 7⁄8 − 3⁄16.
a) 7⁄8 b) 11⁄6
c) 215⁄6 d) None of these
4. 12⁄21 ÷ 36⁄7 × -4⁄5 = _____.
a) 7⁄45 b) 11⁄45
c) 5⁄21 d) -4⁄45
5. Reciprocal of 3⁄11 ÷ 5⁄44 is equal to _______.
a) 12⁄5 b) 5⁄12
c) 13⁄4 d) 4⁄13
6. -13⁄5 − (-7⁄10) = _____.
a) -9⁄10 b) -15⁄10
a) -7⁄50 b) 11⁄5
7. -5⁄7 × 77⁄21 ÷ 5⁄3 = _____.
a) 13⁄7 b) 25⁄21
c) -14⁄7 d) None of these
8. Write the reciprocal of (-4⁄9 × 3⁄5) + (11⁄2 × 2⁄3).
a) 12⁄5 b) 33⁄5
c) 17⁄5 d) 5⁄17
9. Simplify 2⁄5 × [40⁄12 + 15⁄4] and name the property of multiplication that is used here.
a) 17⁄6, Distributive
b) 30⁄5, Associative
c) 20⁄3, Closure
d) 17⁄6, Associative
10. The cost of 14⁄3 m wire is 196⁄3 rupees. Find cost of 1 m of the wire?
a) Rs. 21 b) Rs. 14
c) Rs. 34 d) Rs. 100
11. If 1⁄5 of a number is added to 1⁄3 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 851⁄2 kg equally. How much kgs wheat did each get.
a) 283⁄6 b) 171⁄3
c) 281⁄2 d) None of these
13. A bag is filled with oranges, each weighing 1⁄12 kg. The weight of the bag should not exceed 3⁄6 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 11⁄5 and 19⁄7 by the product of -3⁄5 and 1⁄2, then we get _____.
a) 193⁄5 b) -168⁄21
c) 33⁄7 d) 323⁄21
15. The average of the two middle rational numbers if 5⁄7, 1⁄9, 2⁄3, 4⁄3 are arranged in ascending order is__________.
a) 29⁄42 b) 29⁄21
c) 20⁄27 d) 12⁄54
16. A boy was asked to multiply a given number by 2⁄3 but he divided the given number by 2⁄3. 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. -4⁄5 is smaller than −2. Mark True /False.
a) True b) False
20. -4⁄7 is ____ than −3. Fill in the blank with <, >, =.
a) >= b) =
c) < d) >
If you want to download the above worksheet, please click below link.
Rational Numbers Worksheet-3Download the pdf
Rational Numbers Worksheet - 1
Rational Numbers Worksheet - 2
Rational Numbers Worksheet - 3
Rational Numbers Worksheet - 4
Answer Sheet
Rational-Numbers-AnswerDownload the pdf
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