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Ratio and Proportion - Questions and Answers

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21. If A:B = 2:3 and B:C = 4:5, then C: A is equal to:
A. 15:8
B. 12:10
C. 8:5
D. :15
Explanation: ANSWER : 2:10
22. 0.6 of a number equals 0.09 of another number. The ratio of the number is:
A. 2:3
B. 1:15
C. 20:3
D. 3:20
Explanation: ANSWER : :20
23. If 10% of x is the same as 20% y, then x:y is equal to:
A. 1:2
B. 2:1
C. 5:1
D. 10:1
Explanation: ANSWER : :1
24. Three friends divide Rs. 624 among themselves in the ratio :: the share of the third friend is:
A. Rs.288
B. Rs. 192
C. Rs. 148
D. Rs. 144
Explanation: ANSWER : s.144
25. The weight of a 13 m long iron rod is 23.4 kg. The weight of 6 m long of such rod will be:
A. 7.2 kg
B. 12.4kg
C. 10.8 kg
D. 18 kg
Explanation: ANSWER : 0.8 kg
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