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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-33

  • question_answer
    The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of 8 and C 43 kg, then the weight of B is

    A)  1 7 kg  

    B)  20 kg

    C)  26 kg   

    D)  31 kg

    Correct Answer: D

    Solution :

    Total weight of A, B and C \[=45\times 3=135\,\,kg\] Total weight of A and B \[=40\times 2=80\,\,kg\] and total weight of B and C\[=43\times 2=86\,\,kg\] \[\therefore \]Weight of B \[=86+80-135=31\,\,kg\]


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