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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-18

  • question_answer
    When one-fourth of a number is subtracted from one-third of the same number 12 is obtained. The number is

    A)  63                   

    B)  72

    C)  120                 

    D)  144

    Correct Answer: D

    Solution :

    Let number = x, then \[\,\frac{1}{3}x-\frac{1}{4}x=12\] \[\Rightarrow \]   \[\frac{4x-3x}{12}=12\] \[\Rightarrow \]   \[\,\frac{x}{12}=12\] \[\therefore \]      \[=144\]


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