SBI Clerk Exam 12 Nov 2022 Shift 2 Solved Paper

Question : 42 of 100

Marks: +1, -0

A, B, and C can do the work in 81, 54, and 72 days, respectively. They started working together, but A left 8 days before the work was completed and C left 10 days before the work was completed. How long did it take to do the total work?