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    Question

    The present age of Preeti is twice Ruchi’s present

    age. Six years ago, their average age was 15 years. What will be the Preeti’s age after five years?
    A 45 years Correct Answer Incorrect Answer
    B 22 years Correct Answer Incorrect Answer
    C 30 years Correct Answer Incorrect Answer
    D 33 years Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let Ruchi’s present age be x. Preeti’s present age be 2x. Six years ago, their average age, [(x-6) + (2x-6)]/2= 15 3x – 12 = 30 x = 14 Preeti’s age after 5 years = 2x + 5 = 2 × 14 + 5 = 33 years.

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