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

Similar Questions

A group of 1200 persons consisting of captains and soldiers is travelling in a train. For every 15 s...

If every 2 out of 3 readymade shirts need alterations in the sleeves, and every 4 out of 5 need it i...

In a class, 3/5 of the students are girls and rest are boys. If 2/9 of the girls and 1/4 of the boys...

A fires 5 shots to B's 3 but A kills only once in 3 shots while B kills once in 2 shots. When B ...

Mr. X, a mathematician, defines a number as 'connected with 6 if it is divisible by 6 or if the ...

In a family, a couple has a son and a daughter. The age of the father is three times that of his dau...

David gets on the elevator at the 11th floor of a building and rides up at the rate of 57 floors per...

A father tells his son, "I was of your present age when you were born". If the father is 3...

At the end of a business conference, the ten people present all shake hands with each other once. Ho...

An enterprising businessman earns an income of $1 on the first day of his business. On every subsequ...