Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Logical Reasoning Puzzle Quant Based Puzzle
In a party there are 20 people, then shake hands with each other. If every person shakes hands with every other person and no two persons shake hands more than once, then find the total number of handshakes in the party.
1
400
2
200
3
190
4
More than one of the above
5
None of the above