# There are 25 points on a plane of which 7 are collinear . How many quadrilaterals can be formed from these points ?

There are $25$ points on a plane of which $7$ are collinear . How many quadrilaterals can be formed from these points ?
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aitorarjolia
A quadrilateral is formed by $4$ points, where at most $2$ may be colinear. Thus, we have