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