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A committee of 7 peoples has to be forme...

A committee of 7 peoples has to be formed from 8 men and 4 women. In how many ways can this be done when the committee consists of
Q exactly 3 women

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A committee of 7 peoples has to be formed from 8 men and 4 women. In how many ways can this be done when the committee consists of Q at least 3 women?

A committee of 7 peoples has to be formed from 9 men and 4 women . In how many can this be done when then committee consists of (i) exactly 3 women ? (ii) at least 3 woman ? (iii) at most 3 women ?

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In how many ways can a committee of 3 men and 2 women be selected out of 7 men and 5 women?

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PREMIERS PUBLISHERS-COMBINATORICS AND MATHEMATICAL INDUCTION-EXERCISE 4.3
  1. A trust has 25 members . (i) How many ways 3 officers can be sel...

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

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

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

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

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

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

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

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

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

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

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  12. A committee of 7 peoples has to be formed from 9 men and 4 women . In ...

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  13. 7 relatives of a man comprises 4 ladies and 3 gentlemen, his wife also...

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  14. A box contains two white balls, three black balls and four balls. In...

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  15. Find the number of strings of 4 letters that can be formed with the le...

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  16. How many triangles can be formed by joining 15 points on the plane, in...

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  17. How many triangles can be formed by 15 points , in which 7 of them ...

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  18. There are 11 points in a plane. No three of these lies in the same ...

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  19. There are 11 points in a plane. No three of these lies in the same ...

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  20. A polygon has 90 diagonals. Find the number of its sides ?

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