Question
The ratio of present ages of Alice and Bob is 5:7,
respectively. Charlie, who is 3 years older than Alice, will become 40 years older after 12 years. Find the present age of Bob.Solution
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
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