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    Question

    The ratio of present ages of Rishi to that of Tarun is 3:4

    while the ratio of present ages of Varun to that of Tarun is 5:4. If the age of Varun, 12 years ago from now was 18 years, then find the sum of present ages of Rishi and Tarun.
    A 42 yrs Correct Answer Incorrect Answer
    B 26 yrs Correct Answer Incorrect Answer
    C 36 yrs Correct Answer Incorrect Answer
    D 55 yrs Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let the present age of Rishi and Tarun be '3x' years and '4x' years, respectively.

    So, present age of Varun = 5/4 × 4x = 5x years

    Varun's present age = (18 + 12) = 30 years.

    So, 5x = 30

    Or, x = 6

    Required sum = (3x + 4x) = (7x) = (7 × 6) = 42 years

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