8 men entered a lounge simultaneously. If each person shakes hand with the other, then find the total no. of handshakes ?



8 men entered a lounge simultaneously. If each person shakes hand with the other, then find the total no. of handshakes ?

A. 16

B. 36

C. 56

D. 28

Answer : C. 28


Explanation:


    Required no. of hand shakes = { 8 x (8 – 1) } / 2 = 28


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