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SSC Sample Paper SSC (Group-C) Sample Test Paper-6

  • question_answer
    The average weight of A. B. C is 45 kg. If the average weight of A and B is 40 kg and that of B and C is 43 kg. then the weight of B is

    A)  17 kg              

    B)  20 kg

    C)  26 kg              

    D)       31 kg

    Correct Answer: D

    Solution :

     Weight of B \[=40\times 2+43\times 2-3\times 45\] \[=80+86-135\] \[=166-135=31kg.\]


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