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    Question

    The respective ages of a mother and her daughter are 30 and 8 years. In how many years will the mother be thrice as old as her daughter?

    A 5 yrs. Correct Answer Incorrect Answer
    B 4 yrs. Correct Answer Incorrect Answer
    C 3 yrs. Correct Answer Incorrect Answer
    D 7 yrs. Correct Answer Incorrect Answer
    E 6 yrs. Correct Answer Incorrect Answer

    Solution

    Mother’s age = 30 years Daughter’s age = 8 years Let after ‘t’ years, mother’s age is thrice of her daughter. => 30 + t = 3(8 + t) => 30 + t = 24 + 3t => 2t = 6 => t = 3 yrs.

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