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    Question

    The sum of ages of 4 children born at the intervals of 3

    years each is 42 years. Find out the age of the youngest child.
    A 11 years Correct Answer Incorrect Answer
    B 5 years Correct Answer Incorrect Answer
    C 8 years Correct Answer Incorrect Answer
    D 6 years Correct Answer Incorrect Answer
    E 10 years Correct Answer Incorrect Answer

    Solution

    Let the youngest age of a child be x years. According to the question, => x + (x+3) + (x+6) +(x+9) = 42 => 4x + 18 = 42 => 4x = 24 => x = 6 years Therefore, the age of the youngest child is 6 years.

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