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    Question

    The ages of A and B are in the ratio  3 : 5 . If their

    total age is 64 years, what is  B’s age ?
    A 40 yrs Correct Answer Incorrect Answer
    B 25 yrs Correct Answer Incorrect Answer
    C 33 yrs Correct Answer Incorrect Answer
    D 19 yrs Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let ages be 3x and 5x. 3x + 5x = 64 → 8x = 64 → x = 8 B’s age = 5x = 5 × 8 = 40 years

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