Question

The ratio of present ages of Alice and Bob is 5:7,

ATQ, Let, present ages of Alice and Bob be 5x years and 7x years respectively. So, 5x 3 40 12 5x 25 x 5 Present age of Bob 7x 35 years

respectively. Charlie, who is 3 years older than Alice, will become 40 years older after 12 years. Find the present age of Bob.

A 45 years

B 35 years

C 30 years

D 25 years

E none of these

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Solution