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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-14

  • question_answer
    Ratio between ages of Subhash, Prasad and Amar is 3 : 6 : 7. If the difference between the ages of Prasad and Amar is 10 yr, then what is the difference between the ages of Subhash and Prasad?

    A)  10yr                

    B)  20 yr

    C)  5 yr     

    D)  30 yr

    Correct Answer: D

    Solution :

    Let ages of Subhash, Prasad and Amar are 3x, 6x yr 7x yr, respectively. Now, \[7x-6x=10\Rightarrow x=10\] \[\therefore \]Required difference \[=6x-3x=3x\]          \[=3\times 10=30\,\,yr\]


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