Multiple Choice Questions on At present the ratio between the ages of Rahul and Nirdosh is 2 1 after 7 years Rahul 39 s age will ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

At present the ratio between the ages of Rahul and Nirdosh is 2 1 after 7 years Rahul 39 s age will ...........

Quant (SSC) Problems based on Ages
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    At present the ratio between the ages of Rahul and Nirdosh is 2 : 1 after 7 years, Rahul's age will be 21 years. what is the age of Nirdosh at present ?

    5 years

    Incorrect Answer

    7 years

    Correct Answer

    9 years

    Incorrect Answer

    12 years

    Incorrect Answer
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    Explanation:

    Let the present age of Rahul and Nirdosh be 2x and x years respectviely.
    Then,   2x + 7 = 21 ⇔ x = 7.
    Nirdosh's  age is 7.

    By: Amit Kumar
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