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Railways Sample Paper RRB (Assistant Loco Pilot & Technician) Sample Test Paper-8

  • question_answer
    From a solid cylinder whose height is 12 cm and diameter 10cm, a conical cavity of same height and same diameter of the base is hollowed out. The volume of the remaining solid is approximately\[\left( \pi =\frac{22}{7} \right)\]

    A)  942.86 cm3                   

    B)  314.29 cm3

    C)  628.57 cm3      

    D)       450.76 cm3

    Correct Answer: C

    Solution :

     \[500\,cm+50\,m+5\,km\]      \[5\,km=5000\,m\]       \[500\,cm=5m\]       \[50\,m=50\,m\]       Total Length \[=\,(5000+5+50)\] m        \[5055\] m


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