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    Question

    The average age of R, S, T and U is 32 years and the

    average age of R and S is also 32 years. If U is 4 years older than T, then determine the age of T.
    A 30 yrs Correct Answer Incorrect Answer
    B 41 yrs Correct Answer Incorrect Answer
    C 27 yrs Correct Answer Incorrect Answer
    D 33 yrs Correct Answer Incorrect Answer

    Solution

    ATQ,

    Sum of the ages of R, S, T and U = 32 × 4 = 128 years

    Sum of the ages of R and S = 32 × 2 = 64 years

    Sum of the ages of T and U = 128 – 64 = 64 years

    Let the age of T be ‘x’ years

    So, age of U = (x + 4) years

    Then, x + x + 4 = 64

    2x = 60

    x = 30

    So, the age of T is 30 years.

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