In the board meeting of a FMCG Company, everybody present in the meeting shakes hand with everybody else. If the total number of handshakes is 78, the number of members who attended the board meeting is:
Explanation:
Let n members attended the board meeting.
Number of handshakes = n×(n – 1)/2 = 78
Solving this, n = 13
Hence, option (d).
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