Multiple Choice Questions on The ratio of father and son rsquo s age is 7 4 The product of their ages is 2800 The ratio of their ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

The ratio of father and son rsquo s age is 7 4 The product of their ages is 2800 The ratio of their ...........

Quantitative Aptitude ( CCS) Problems based on Ages
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    The ratio of father and son’s age is 7:4. The product of their ages is 2800. The ratio of their ages after 2yr will be ?

    7:12

    Incorrect Answer

    12:7

    Correct Answer

    3:5

    Incorrect Answer

    5:3

    Incorrect Answer
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    Explanation:

    Solution: 
    Sol : let their age is 7x and 4x
    Product = 28x² = 2800
    x² =100
    x = 10
    Their ages = 70 : 40
    2yrs after = 72 42
    12 : 7

    By: Pranav Gupta
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