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Suppose 20 distinct points are placed ra...

Suppose 20 distinct points are placed randomly on a circle. Which of the following statements is/are correct?
1. The number of straight lines that can be drawn by joining any two of these points is 380.
2. The number of triangles that can be drawn by joining any three of these points is 1140.

A

1 only

B

2 only

C

Both 1 and 2

D

Neither I nor 2

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