IIM-B (BBA-DBE) 2024 #2 (QA) PYQs

A box contains 2 white shirts, 3 black shirts, and 4 red shirts. In how many ways can 3 shirts be drawn from the box, if at least one black shirt is to be included in the draw?

If 5 boys and 3 girls sit randomly around a circular table, the probability that there will be at least one boy sitting between any two girls is

Let $A = \{a, b, c, d, e\}$. The no. of subsets that contain exactly 3 of these elements are?