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Given 5 line segments of lengths 2,3,...

Given 5 line segments of lengths 2,3,4,5,6 units then the number of triangle that can be formed by joining these line segaments is

A

`""^(5)C_(3)`

B

`""^(5)C_(3)-3`

C

`""^(5)C_(3)-2`

D

`"""^(5)C_(3)-1`

Text Solution

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-PERMUTATIONS & COMBINATIONS-EXERCISE 1B (COMBINATIONS )
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  3. Given 5 line segments of lengths 2,3,4,5,6 units then the number ...

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  4. The greatest number of points of intersection of 8 lines and 4 cir...

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  5. In plane there are 37 straight lines , of which 13 pass throug...

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  6. A set of m parallel lines another another set of n parallel l...

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  7. The number of diagonals for an n sided polygon is

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  8. The number of diagonal for an n sided polygon with 10 sides is

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  9. The number oif diagonals of an octagons is

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  10. The polygon in which the number of diagonals is equal to the numbe...

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  11. IF a polygon has 35 diagonals , then the number of sides of t...

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  12. The number of sides of a polygon having diagonals 44 is

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  13. A polygon has 54 diagonals , then the number of its sides is :

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  14. A regular polygon of n sides has170 digonals . Then n=

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  15. IF a polygon of n sides has 275 diagonals then n=

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  16. The number of triangle that can be formed by joining the vertices ...

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  17. The number of triangle that can be formed by joining the angula...

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  18. The number of triangle whose vertices are at the vertices of an ...

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  19. The number of rectangles formed in a chess board is

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  20. If one square choosed randomly from chess board. Th probability of get...

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