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There are 10 points in a plane of whi...

There are 10 points in a plane of which no three of which no three of the points are collinear except 5 points which lie on a line .
I : The number of straight lines by joining them is 35 .
II : the number of triangles formed by joining them is 110

A

Only 1 is ture

B

only II is true

C

Both I and II are true

D

neither a nor II true

Text Solution

Verified by Experts

The correct Answer is:
B
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