SSC CGL – Combined Graduate Level Examination · ಪ್ರಶ್ನೆ 66

X can complete a project in 14 days, Y in 10 days. When Z joins them, the work is finished in 3.5 days. How many days would Z need alone?

1. A8 days
2. B8.75 days
3. C9.33 days
4. D10 days