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Let present age of ‘B’ be ‘x’ years Present age of ‘A’ = x × 1.60 = ‘1.60x’ years ATQ; (x + 13) + 12 = (1.60x + 13) Or, x + 25 = 1.60x + 13 Or, 12 = 0.60x Or, x = 20 So, present age of ‘B’ = 20 years And, present age of ‘A’ = 20 + 12 = 32 years Required sum = 20 + 32 = 52 years
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