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Let present age of ‘B’ be ‘x’ years Present age of ‘A’ = x × 1.40 = ‘1.40x’ years ATQ; (x + 11) + 10 = (1.40x + 11) Or, x + 21 = 1.40x + 11 Or, 10 = 0.40x Or, x = 25 So, present age of ‘B’ = 25 years And, present age of ‘A’ = 25 + 10 = 35 years Required sum = 25 + 35 = 60 years
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