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The number of straight lines that can be...

The number of straight lines that can be drawn out of 10 points of which 7 are collinear is :

A

22

B

23

C

24

D

25

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

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

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

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

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

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

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

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

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

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

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

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