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A question paper has two parts, part A a...

A question paper has two parts, part A and part B, each containing 10 questions. If the student has to choose 8 from part A and 5 from part B, in how many ways can he choose the questions?

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A N EXCEL PUBLICATION-PERMUTATIONS AND COMBINATIONS-QUESTION BANK
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  2. In how many ways can a cricket team of eleven be chosen out of a batch...

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  3. A question paper has two parts, part A and part B, each containing 10 ...

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  4. A committee of 6 is to be formed from 6 men and 4 women. In how many w...

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  5. A committee of 6 is to be formed from 6 men and 4 women. In how many w...

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  6. If ^nC8=^nC2find ^nC2

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  7. Determine n if ^(2n)C3:^nC2=12:1

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  8. Determine n if ^(2n)C3:^nC3=11:1

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  9. How many chords can be drawn through 21 points on a circle?

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  10. In how many ways can a team of 3 boys and 3 girls be selected from 5 b...

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  11. Find the number of ways of selecting 9 balls from 6 red balls, 5 white...

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  12. Determine the number of 5 card combinations out of a deck of 52 cards ...

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  13. In how many ways can one select a cricket team of eleven from 17 playe...

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  14. A bag contains 5 black and 6 red balls. Determine the number of ways i...

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  15. In how-many ways can a student choose a programme of 5 courses if 9 co...

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  16. Prove that ^"" nCr=^nC(n-r)

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  17. If ^nC10=^nC12 find ^23Cn

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  18. Find the value of ^10C4

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  19. Show that ^10C4=^9C(4)+^9C3

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  20. prove the result ^(n+1)Cr=^nC(r-1)+^nCr

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