Everybody in a room shakes hands with ev...

Everybody in a room shakes hands with everybody else. The total number of shake hands is 66. The number of persons in the room is ……….. .

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(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?

FULL MARKS-SAMPLE PAPER - 2-PART - III

Everybody in a room shakes hands with everybody else. The total number...
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