alleryAges of two friends are in the ratio 4 : 5. After 6 years it will be 5 : 6. The younger one's present age is
A28
B24
C30
D20
Answer & Solution
Correct answer: B. 24
Solving (4x + 6)/(5x + 6) = 5/6 gives x = 6, so the younger is 4 x 6 = 24.
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