Let `S={1,2,...,20}.` A subset `B` of `S` is said to be `''nice''`, if the sum of the elements
Channel: Doubtnut
Date: 2020-07-12

Let `S={1,2,...,20}.` A subset `B` of `S` is said to be `''nice''`, if the sum of the elements of `B` is 203. Then the probability that a  randomly chosen subset of `S` is `''nice''` is: (a) `7/(2^20)` (b) `5/(2^20)` (c) `4/(2^20)` (d) `6/(2^20)`