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Ratio and Proportion - Questions and Answers

Practice questions on Ratio and Proportion.

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16. The fourth proportional to 0.2, 0.12 and 0.3 is :
A. 0.13
B. 0.15
C. 0.18
D. 0.8
Explanation: ANSWER : .18
17. If A:B=5:7 and B:C = 6:11, then A:B:C is:
A. 55:77:66
B. 30:42:77
C. 35:49:42
D. none of these
Explanation: ANSWER : 0:42:77
18. Two whole numbers whose sum is 64, cannot be in the ratio:
A. 5:3
B. 7:1
C. 3:4
D. 9:7
Explanation: ANSWER : :4
19. If B and C, then A:B:C is:
A. 1:3:6
B. 2:3:6
C. 3:2:6
D. 3:1:2
Explanation: ANSWER : :3:6
20. A bag contains 25 paise, 100 paise and 5 paise coins in the ratio 1:2:3 If their total value is Rs. 30, the number of 5 paise coins is:
A. 50
B. 100
C. 150
D. 200
Explanation: ANSWER : 50
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