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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 =┬а`(19xx18)/2` ┬а=┬а171

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