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Given six line segments of length 2,3,4,...

Given six line segments of length `2,3,4,5,6,7` units, the number of triangles that can be formed by these segments is -

A

`""^(6)C_(3) -7`

B

`""^(6)C_(3) -6`

C

`""^(6)C_(3)-5 `

D

`""^(6)C_(3)-4`

Text Solution

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The correct Answer is:
A
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