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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-15

  • question_answer
    Present age of the son is the half of the present age of the mother. 10 yr ago, the mother's age was thrice the age of the son. What is the present age of the son?

    A)  25 yr

    B)         30 yr

    C)  40 yr               

    D)  20 yr

    Correct Answer: D

    Solution :

    Let Present age of son = x yr \[\therefore \]Present age of mother = 2x yr According to the questions, \[\left( 2x-10 \right)=3\left( x-10 \right)\] \[\Rightarrow \]\[\,2x-10=3x-30\] \[\therefore \,\]    \[\,x=30-10=20\,\,yr\]


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