There are 15 persons in a party and if each 2 of then shakes hands with each other , how many handshakes happen in the party ?

If there are 12 persons in a party, and if each two of them shake hands with each other, how many handshake happen in the party?

If there are 12 persons in a party, and if each two of them shake hands with each other, how many handshake happen in the party?

If there are 12 persons in a party, and if each two of them shake hands with each other, how many handshakes happen in the party?

If there are 12 persons in a party, and if each two of them shake hands with each other, how many handshakes happen ?

If there are 12 persons in a party,and if each two of them shake hands with each other,how many handshakes happen in the party?

(i) A kabaddi coach has 14 players ready to play. How many different teams of 7 players could the coach put on the court? (ii) There are 15 persons in a party and if , each 2 of them shakes hands wit each with each other. How many handshakes happen in the party? (iii) How many chords can be drawn through 20 points on a circle? (iv) In a parking lot one hunderd, one year old cars are parked. Out of them five are to be chosen at random for to check its pollution devices. How many different set of five cars are possible? (v) How many ways can a team of 3 boys, 2 girls and 1 transgender be selected from 5 boys, 4 girls and 2 transgender?

If there are 12 persons in a party,and if each two of them shake hands with each other,how many handshake happen in the party?

(i) If there are 12 persons in a party, and if each two of them shake hands with each other, how many handshakes happen ? (ii) In a student's reunion meeting in a school, 16 students show up. Each shakes hands with each other exactly once. Determine the total number of handshakes.

Suppose that in a party there are 15 persons If each two of the 15 persons shake hands, with each other, how many handshakes happen in the party