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If ""^(n)C(3)=10, then n is...

If `""^(n)C_(3)=10`, then n is

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NEW JOYTHI PUBLICATION-PERMUTATIONS AND COMBINATIONS-QUESTIONS FROM COMPETITIVE EXAMS
  1. 10C1=

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  2. There are 10 persons including 3 ladies. A committee of 4 persons incl...

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  3. If ""^(n)C(3)=10, then n is

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  4. How many numbers with no more than three digits can be formed using on...

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  5. If 8![1/(3!)+5/(4!)]=""^(9)P(r), then the value of r is equal to

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  6. The sides BC, CA, AB of a triangle ABC have 3, 4 and 5 interior points...

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  7. How many four digit numbers abcd exist such that a is odd, b is divisi...

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  8. How many numbers lying between 100 and 1000 can be formed with the di...

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  9. Total number of four digit odd numbers that can be formed using 0, 1, ...

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  10. The number of ways in which 6 men and 5 women can dine at a round tabl...

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  11. A student is to answer 10 out of 13 questions in an examination such t...

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  12. If ""^(n)C(r) denotes the number of combinations of n things taken r a...

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  13. How many ways are there to arrange the letters of the word "Garden" w...

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  14. Then number of ways of distributing 8 identical balls in 3 distinct bo...

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  15. The range of the function f(x)=""^(7-x)P(x-3) is

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  16. If the letters of the word SACHIN are arranged in all possible ways an...

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  17. The value of ""^(50)C(4)+sum(r=1)^(6)""^(56-r)C(3) is

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  18. At an election, a voter may vote for any number of candidates, not gre...

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  19. In a shop there are five types of ice - creams available. A child buys...

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  20. How many different words can be formed by jumbling the letters in the ...

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