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    Question

    After 12 years, "Aman" will be three times as old as he

    was 20 years ago. The age difference between "Aman" and "Bhanu" in twelve years will be 4:5, respectively. Determine the current age of "Chetna" if the average age of "Aman," "Bhanu," and "Chetna" is 38 years old.
    A 25 yrs Correct Answer Incorrect Answer
    B 35 yrs Correct Answer Incorrect Answer
    C 45 yrs Correct Answer Incorrect Answer
    D 30 yrs Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    ATQ, Let present age of тАШAmanтАЩ be тАШaтАЩ years So, 3(a тАУ 20) = a + 12 Or, 3a тАУ 60 = a + 12 Or, 2a = 72 Or, a = 36 Present age of тАШBhanuтАЩ = 5/4 ├Ч {36 + 12} тАУ 12 = 60 тАУ 12 = 48 years Present age of тАШChetnaтАЩ = 38 ├Ч 3 тАУ 36 тАУ 48 = 30 years

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