# Think Binomial

$${10\choose3} + {11\choose3} + {12\choose3} + {13\choose3} + {14\choose3} + {15\choose3} + {16\choose3} + {17\choose3} + {18\choose3} + {19\choose3} + {20\choose3}$$ Calculate the above sum.

This is part of the set - $$\href{https://brilliant.org/profile/ankit-kumar-c62tb1/sets/my-problems/}{\color{blue} \text{My Problems}}$$

×