TCS Company Numerical Ability Permutation and Combination

20 men handshake with each other without repetition. What is the total number of handshakes made?
a) 190 b) 210 c) 150 d) 250

Read Solution (Total 7)

TCS Other Question

2,3,7,14,29,_,120? In 80 coins one coin is counterfeit what is minimum number of weighing to find out counterfeit coin