SSC Steno Grade C and D 12 Nov 2021 Shift 1 Paper

An office has a total of 95 employees. Each employee participates in one or more of three activities, i.e. music, dance and skit, during the annual festival. The number of employees participating in only music is 20, whereas 14 participate in only skit, and 17 participate in only dance. A total of 8 employees participate in both music and skit only, 12 employees participate in all three activities, and 15 employees participate in both dance and skit only, whereas 9 employees participate in both music and dance only. Find the total number of employees participating in skit?