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0 votes
3.6k views
in Mathematics by (67.9k points)

The number of quadrilaterals that can be formed using 10 points in a plane out of which 4 are collinear is

(a)  210

(b)  209

(c)  185

(d)  None of these 

1 Answer

+1 vote
by (63.3k points)
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Best answer

Correct option  (c) 185

Explanation:

10C44C44C3 . 6C1 = 185 

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