5th Class Mental Ability Arithmetical Reasoning Question Bank Arithmetical Reasoning

  • question_answer At the end of fresher party in the college, 15 friends present all shakes hands with each other once. How many handshakes will there be altogether?

    A)  95                  

    B)  85

    C)  100                            

    D)  75

    Correct Answer: A

    Solution :

          Clearly, The   total   number   of handshakes = (14 + 13 + 12 + 11 + 10 + 9 + 8 + 7 + 6 + 5 + 4 + 3 + 2 + 1) = 95.

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