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      Question

      In a party 19 persons shake hands with every other

      person. Find the total no of handshakes in the party? ┬а ┬а ┬а┬а
      A 120 Correct Answer Incorrect Answer
      B 148 Correct Answer Incorrect Answer
      C 171 Correct Answer Incorrect Answer
      D 192 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      As two persons are involved in one handshake, total number of handshakes in the party =┬а19C2 ┬а = (19x18)/2┬а =┬а171

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