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Railways Quantitative Aptitude Average Sample Paper Average & Problems on Ages Sample Test Paper-7

  • question_answer
    After 5 yrs, the age of a father will be thrice the age of his son, whereas five years ago, he was 7 times as old as his son was. What are their present ages?

    A)  30 yrs  

    B)  40 yrs

    C)  50 yrs  

    D)  60 yrs

    Correct Answer: B

    Solution :

    [b] Son?s age \[=\frac{5(7-1)+5(3-1)}{7-3}=10\,\,yrs\] From the first relationship of ages, if F is the age of the father then F + 5 = 3 (10 + 5) \[\therefore \] F = 40 yrs.


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