Multiple Choice Questions on Today Mohan is 20 years younger than his father Ten years ago he was one half as old as his fa........... for Bihar civil service (BPSC) Preparation

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Multiple Choice Questions

Today Mohan is 20 years younger than his father Ten years ago he was one half as old as his fa...........

Quantitative Aptitude (CSC) Problems based on Ages
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     Today Mohan is 20 years younger than his father. Ten years ago he was one-half as old as his father. How old will his father be 10 years hence?

    40 years

    Incorrect Answer

    60 years

    Correct Answer

    50 years

    Incorrect Answer

    Data inadequate

    Incorrect Answer
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    Explanation:

    F – M = 20 ------> (i)
    (F - 10) × ½ = (M - 10)
    F – 10 = 2M – 20
    By equ (i):-
    20 + M – 10 = 2M – 20
    M = 30
    Hence F = 50 ---> by equ. (i)
    10 Years Hence:-
    Father’s age = 50 + 10 = 60 years.
     

    By: Deepak Dawra
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