Question

    The average age of three children is 24 years. If their

    ages are in the ratio 5:6:7. Find the age of the youngest child.
    A 20 years Correct Answer Incorrect Answer
    B 15 years Correct Answer Incorrect Answer
    C 13.5 years Correct Answer Incorrect Answer
    D 18 years Correct Answer Incorrect Answer

    Solution

    Total age of three children = 24 × 3 = 72 years Let their ages be 5x, 6x and 7x respectively. => 5x + 6x + 7x = 72 => 18x = 72 => x = 4 Therefore the age of youngest child = 5 × 4 = 20 years

    Practice Next

    Relevant for Exams: