29. If A and B together do a work in 6 days and A alone completes thiw

1.	29. If A and B together do a work in 6 days and A alone completes thiwork in 15 days, then in how many days will B alone finish they2work ?
Answer» (A + B)'s one day work = 1/6A's one day work = 1/15 Then,B's one day work = (A+B)'s work - A's work= 1/6 - 1/15= (5 - 2)/30= 3/30= 1/10 Therefore, B alone will complete work in 10 days

29. If A and B together do a work in 6 days and A alone completes thiwork in 15 days, then in how many days will B alone finish they2work ?

Answer»

(A + B)'s one day work = 1/6A's one day work = 1/15

Then,B's one day work = (A+B)'s work - A's work= 1/6 - 1/15= (5 - 2)/30= 3/30= 1/10

Therefore, B alone will complete work in 10 days