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There are 15 points in a plane of which ...

There are 15 points in a plane of which 4 points lie in one line and another 5 points lie in another straight line. Two lines are parallel and no three of the remaining 6 points are collinear. Then the number of straight lines that can be formed by joining these 15 points is-

A

89

B

90

C

96

D

91

Text Solution

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The correct Answer is:
D
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