Question
The ratio of age of ‘B’ after 5 years from now and
age of ‘C’ 4 years ago from now is 7:4, respectively. The present age of ‘C’ is 30% of the present age of ‘A’. If present age of ‘A’ is 60 years then find the present age of ‘B’.Solution
Present age of ‘C’ = 0.3 × 60 = 18 years 4 years ago from now, age of ‘C’ = 18 – 4 = 14 years 5 years hence from now, age of ‘B’ = 14 × (7/4) = 24.5 years Present age of ‘B’ = 24.5 – 5 = 19.5 years
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