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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-13

  • question_answer
    Chotu and Nitu can plough afield in 4 days. Nitu alone, can plough the field in 6 days. In how many days will Chotu, alone plough the field?

    A)  12                   

    B)  14

    C)  10       

    D)  15       

    Correct Answer: A

    Solution :

    (Chotu + Nitu)?s 1 day work\[=\frac{1}{4}\] Nitu?s 1 day work \[=\frac{1}{6}\] \[\therefore \]Chotu?s 1 day work \[=\frac{1}{4}-\frac{1}{6}=\frac{3-2}{12}=\frac{1}{12}\] Hence, chotu alone will plough the field in 12 days.


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