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SSC Sample Paper SSC CGL - Sample Paper-21

  • question_answer
    The length of a longest rod that can be placed in a room which is 12 m long, 9 m broad and 8 m high, is

    A) 27 m                

    B) 19 m

    C) 17 m                

    D) 13 m

    Correct Answer: C

    Solution :

    Length of rod \[=\sqrt{{{12}^{2}}+{{9}^{2}}+{{8}^{2}}}\] \[=\sqrt{144+81+64}\] \[\sqrt{289}=17\,m\]     


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