At the end of a meeting all participants shook hands with each other. Twenty-eight handshakes were exchanged. How many people were at the meeting?

It was found at a certain dinner meeting that after every member had shaken hand with every other members, 45 handshakes were interchanged. How many members were present at the meeting?

In Bhopal Gas Tragedy how many people were killed?

At the end of a business conference, ten people present all shake hands with each other once. How many handshakes will there be altogether?

IN a meeting everyone had shaken hands with everyone else, it was found that 66 handshakes were exchanged . Number of persons present in the meeting is

IN a meeting everyone had shaken hands with everyone else, it was found that 66 handshakes were exchanged . Number of persons present in the meeting is

In a party 15 people shake their hands with each other. How many times did the hand-shakes take place?