Wipro Company Numerical Ability Time and Work

Two persons A and B working together can dig a trench in 8 hours while A alone can dig it in 12 hours. In how many hours B alone can dig such a trench?

Read Solution (Total 2)

(A+B)'s one hour work=1/8 and A's hour day work=1/12
therefore B's one hour work=1/8-1/12=1/24
B takes 24 hours to complete the work........
12 years agoHelpfull: Yes(2) No(0)

24 Days
(A+B)'s one hour work=1/8 and A's hour day work=1/12
therefore B's one hour work=1/8-1/12=1/24
B takes 24 hours to complete the work
2 years agoHelpfull: Yes(0) No(0)

Wipro Other Question

A and B can do a piece of work in 12 days; Band C can do it
in 15 days ; A and C can do it in 20 days. In how many days will A, Band' C finish it, working all together?Also ,find the number of days taken by each to finish it working alone. A can do a piece of work in 10 days which B alone can do in 12
days. In how many days will they finish the work, both working together?