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If ""^(n)C(12)=""^(n)C(8), then n is equ...

If `""^(n)C_(12)=""^(n)C_(8),` then n is equal to

A

12

B

26

C

6

D

20

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The correct Answer is:
D
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MODERN PUBLICATION-PERMUTATIONS AND COMBINATIONS -OBJECTIVE TYPE QUESTIONS (A) MULTIPLE CHOICE QUESTIONS
  1. In an examination there are three multiple choice questions and each q...

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  2. If 1/(9!)+1/(10!)=x/(11!) then x=

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  3. L.C.M. of 3!, 4! And 5! Is :

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  4. 7!-5! is equal to :

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  5. The value of f(4) - f(3) is

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  6. If 1/(8!)+1/(9!)=x/(10 !),find x

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  7. The correct match of the following is : {:(,"Column - I",,"Column ...

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  8. The correct match of the following is : {:(,"Column I",,"Column II...

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  9. (7!) / (5!) is :

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  10. The value of |ul(4)-|ul(3) is :

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  11. If ""^(n)C(12)=""^(n)C(8), then n is equal to

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  12. The number of all numbers having 5 digits, with distinct digits, is :

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  13. The number of words that can be formed by using all the letters of the...

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  14. Given five line segments of length 2, 3, 4, 5, 6 units. Then the numb...

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  15. How many numbers greater than 10 lacs be formed from 2,3,0,3,4,2,3? 42...

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  16. The remainder obtained when 1!+2!+3!+……+11! is divided by 12 is :

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  17. The value of ""^(2)P(1)+""^(3)P(1)+……+ ""^(n)P(1) is equal to :

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

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  19. Out of 7 consonants and 4 vowels. how many words of 3 consonant and 2 ...

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  20. The remaninder obtained when 1!+2!+3!+……..+11! is divided by 12 is :

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