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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-31

  • question_answer
    At the end of a business conference the ten people present all shake hands with each other once. How many handshakes will there be altogether?

    A)  20                   

    B)  45  

    C)  55                   

    D)  90

    Correct Answer: B

    Solution :

    Clearly, total number of handshakes = (9+8+7+6+5+4+3+2+1) = 45


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