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The number of diagonals that can be draw...

The number of diagonals that can be drawn by joining the vertices of an octagon is

A

20

B

28

C

8

D

16

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MODERN PUBLICATION-BINOMIAL THEOREM-EXERCISE
  1. The value of ""^(15)C(11)+""^(15)C(10) is equal to

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  2. The number of straight lines that can be drawn out of 10 points of whi...

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  3. The number of diagonals that can be drawn by joining the vertices of a...

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  4. The number of divisors of the number 56 excluding 1 and 56 is :

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  5. The number of 3-digit odd numbers, by using the digits 1,2,3,4,5,6 whe...

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  6. There are 15 points in a plane, no three of which are in a st. line, e...

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  7. Number of triangles formed by joining 12 points, 7 of which are in the...

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  8. If 7 points out of 12 are in the same straight line, then the number o...

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  9. The total number of terms in the expansion of (x+y)^100+ (x-y)^100 aft...

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  10. The coefficient of x^17 in the expansion of : (x-1)(x-2)(x-3) ...... ...

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  11. Let Sp and Sq be the coefficients of x^p and x^q respectively in (1 + ...

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  12. Find the coefficient of x^5 in the expansion of (x+3)^6 is :

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  13. If x=1/3, then the greatest term in the expansion of (1+4x)^8 is the :

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  14. The middle term in the expansion of (1 + x)^(2n) is :

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  15. The term independent of x in (2x-1/(3x))^6 is :

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  16. The coefficient of the term independent of x in (2x-3/x)^6 is :

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  17. The fourth term in the binomial expansion of (x^2-1/x^3)^n is independ...

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  18. In a binomial expansion (1 + x)^n is a positive integer, the coefficie...

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  19. If the three consecutive coefficients in the expansion of (1 + x)^n ar...

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  20. Let (1 + x)^n= C0+C1x+C2x^2+.....+Cn x^n and C1/C0+2 C2/C1+3 C3/C2+......

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