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

  • question_answer
    The sum of the ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of fee youngest child?

    A)  4 years

    B)  8 years

    C)  10 years          

    D)  12 years

    Correct Answer: A

    Solution :

    [a] Let the age of children be x, (x+3), (x+6), (x+9) and (x+12) years. Then, \[x+(x+3)+(x+6)+(x+9)+(x+12)=50\] \[\Leftrightarrow 5x=20\Leftrightarrow x=4\] \[\therefore \] Age of the youngest child = x = 4 years.


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