50 men shake hands with each other. Maximum no of handshakes without cyclic handshakes. Options:
A) 190
B) 200
C) 1225
D) 220
E) 230

Rationale: total no . of handshakes = 49 + 48 + 47 + . . . + 3 + 2 + 1 = 19 * ( 19 + 1 ) / 2 = 1225 or , if there are n persons then no . of shakehands = nc 2 = 50 c 2 = 1225 answer : c
Answer: C