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Find the number of ways of selecting 4 b...

Find the number of ways of selecting 4 boys and 3 girls from a group of 8 boys and 5 girls.

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VGS PUBLICATION-BRILLIANT-MOST IMPORTANT QUESTIONS-PREMUTATIONS & COMBINATIONS (VERY SHORT ANSWER TYPE QUESTIONS)
  1. Find the the number of functions from a set A containing 5 elements in...

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  2. Find the number of bijections from a set A containing 7 elements onto ...

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  3. Find the number of different chains that can be prepared using 7 diffe...

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  4. Find the number of ways of arranging the letters of the word. INDEPE...

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  5. Find the number of ways of arranging the letters of the word. MATHEM...

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  6. Find the number of ways of arranging the letters of the word. INTERM...

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  7. Find the number of ways of arranging all the letters of the word ENG...

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  8. Find the number of ways of arranging the letters of the word. PERMUT...

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  9. Find the number of ways of arranging the letters of the word. COMBIN...

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  10. If ""^(n)C(4)=210 then find n.

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  11. If ""^(n)P(r)=5040 and ""^(n)C(r)=210, find n and r.

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  12. If ""^(12)C((s+1))=""^(12)C((2s-5)), then find s.

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  13. If ""^(12)C((s+1))=""^(12)C((2s-5)), then find s.

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  14. If ""^(n)C(21)=""^(n)C(27)" find " ""^(49)C(n)

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  15. If ""^(n)C(5)=""(n)C(6), then find 13(Cn).

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  16. If ""^(9)C(3)+""^(9)C(5)=""^(10)C(r) then find r.

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  17. Find the value of ""^(10)C(5)+2. ""^(10)C(4)+""^(10)C(3).

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  18. Find the number of ways of selecting 4 boys and 3 girls from a group o...

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  19. Find the number of diagonals of a polygon with 12 sides.

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  20. Find the number of positive divisors of 1080

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