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How many chords can be drawn through 20 points on a circle ?

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PREMIERS PUBLISHERS-COMBINATORICS AND MATHEMATICAL INDUCTION-EXERCISE 4.3
  1. A Kabaddi coach has 14 players ready to play. How many different...

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  2. There are 15 persons in a party and if each 2 of then shakes hands w...

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  3. How many chords can be drawn through 20 points on a circle ?

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  4. In a parking lot one hundred one year old cars, are parked. Out of t...

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  5. How many ways can a team of 3 boys, 2 girls and 1 transgender be se...

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  6. Find the total number of subsets of a set with . (i) 4 elements (...

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  7. Find the total number of subsets of a set with . (i) 4 elements (...

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  8. Find the total number of subsets of a set with . (i) 4 elements (...

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  9. A trust has 25 members . (i) How many ways 3 officers can be sel...

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  10. A trust has 25 members . (i) How many ways 3 officers can be sel...

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  11. How many ways a committee of six persons from 10 persons can be chosen...

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  12. How many different selections of 5 books can be made from 12 differe...

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  13. How many different selections of 5 books can be made from 12 differe...

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  14. There are 5 teachers and 20 students. Out of them a committee of 2 tea...

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  15. There are 5 teachers and 20 students. Out of them a committee of 2 tea...

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  16. In an examination a student has a answer 5 questions, out of 9 quest...

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  17. Determine the number of 5 card combinations out of a deck of 52 car...

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  18. Find the number of ways of forming a committee of 5 members out of...

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  19. A committee of 7 peoples has to be formed from 8 men and 4 women. In ...

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  20. A committee of 7 peoples has to be formed from 8 men and 4 women. In ...

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