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A polygon has 90 diagonals , Number of i...

A polygon has 90 diagonals , Number of its sides

A

25

B

17

C

15

D

14

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH INSTITUTE-PERMUTATIONS AND COMBINATIONS -Assignment Section A Objective type questions (One option is correct )
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  3. A polygon has 90 diagonals , Number of its sides

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  4. Number of triangles that can be formed by joining the 10 non-collinear...

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  10. Number of ways in which the letters of the word RIANBOW be arranged su...

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  11. Number of even numbes greater than 300 that can be formed with the dig...

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