Question

There are $12$ points in a plane of which $5$ are collinear. Barring these five points no three are collinear. The number of quadrilaterals one can form using these points is

• A. ${}^7{C}_3$
• B. ${}^7{P}_3$
• C. ${10.}^7{C}_3$
• D. $420$

Answer 1

The correct option is D $420$