Question

men required is
(1) 15
(2) 14
(3) 12
(4) 11
A, B and C can do a piece of work in 24, 30 and
40 days respectively. They began the work together
but C left the work four days before the completion
of the work. The work was completed in
(1) 11 days
(2) 10 days
(3) 12 days
(4) 14 days
Three pipes A, B and C can fill a cistern in 6 hours.
After working together for 2 hours C is closed and A
11
.1​

Answer 1

Answer:

C completed the work in 14 days