NDA 2017 — Mathematics PYQ
NDA | Mathematics | 2017Let A = {l, 2, 3, 4, 5, 6, 7, 8, 9, 10}. Then the number of subsets of A containing two or three elements is

Let A = {l, 2, 3, 4, 5, 6, 7, 8, 9, 10}. Then the number of subsets of A containing two or three elements is