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    Question

    Sum of present ages of A and B = 56. Four years ago,

    their ages were in ratio 7:5. Find A’s age 6 years from now.
    A 26 yrs Correct Answer Incorrect Answer
    B 15 yrs Correct Answer Incorrect Answer
    C 38 yrs Correct Answer Incorrect Answer
    D 45 yrs Correct Answer Incorrect Answer

    Solution

    Four years ago: A = 7x, B = 5x. Now: 7x + 4 + 5x + 4 = 56 ⇒ 12x = 48 ⇒ x = 4. A now = 7×4 + 4 = 32. A after 6 years = 38.

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