Multiple Choice Questions on Seema 39 s present age is four times her son 39 s present age and four seventh of her father rsquo s........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

Seema 39 s present age is four times her son 39 s present age and four seventh of her father rsquo s...........

Quantitative Aptitude ( CCS) Average
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    Seema's present age is four times her son's present age and four-seventh of her father’s present age. The average of the present age of all three of them is 32 years. What is the difference between the Seema’s son's present age and Seema's father's present age?

    44 years

    Incorrect Answer

    48 years

    Correct Answer

    46 years

    Incorrect Answer

    Cannot be determined

    Incorrect Answer
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    Explanation:

    Let Seema’s son’s present age = x years
    ∴ Seema’s present age. = 4x years
    ∴ Seema’s father’s present age = 4x × 7/4 = 7x years
    Now x + 4x + 7x = 32 × 3
    = 12x = 96
    x = 96/12 = 8
    ∴ Required difference
    = 7x – x = 6x
    = 6 × 8 = 48 years

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