If the ratio of the ages of A and B is 3:5 and the sum of their ages is 64 years, what is the age of B? यदि A और B की आयु का अनुपात 3:5 है और उनकी आयु का योग 64 वर्ष है, तो B की आयु क्या है?
A
24 (24)
B
32 (32)
C
40 (40)
D
48 (48)
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Correct Answer 40
Explanation
Total ratio parts = 3 + 5 = 8. 8 parts = 64 years. 1 part = 8 years. B's age = 5 parts = 5 * 8 = 40 years.