# A can do a piece of work in 4 hours, B and C can do it in 3 hours. A and C can do it in 2 hours. How long will B alone take to do it?

A can do a piece of work in 4 hours, B and C can do it in 3 hours. A and C can do it in 2 hours. How long will B alone take to do it? [A]8 hours [B]24 hours [C]10 hours [D]12 hours Show Answer 12 hours A’s one hour’s work (B + ..

# A alone can complete a work in 12 days. A and B together can complete it in 8 days. How long will B alone take to complete the work?

A alone can complete a work in 12 days. A and B together can complete it in 8 days. How long will B alone take to complete the work? [A]20 days [B]24 days [C]16 days [D]18 days Show Answer 24 days A’s one day’s work (A + B)’s one day’s work ∴ B’s one day’s ..

# A and B together can complete a piece of work in 72 days, B and C together can complete it in 120 days, and A and C together in 90 days. In what time can A alone complete the work?

A and B together can complete a piece of work in 72 days, B and C together can complete it in 120 days, and A and C together in 90 days. In what time can A alone complete the work? [A]150 days [B]80 days [C]100 days [D]120 dyas Show Answer 120 days (A+B)’s 1 day’s ..

# A, B and C can complete a piece of work in 24, 6 and 12 days respectively. Working together, they will complete the same work in :

A, B and C can complete a piece of work in 24, 6 and 12 days respectively. Working together, they wil complete the same work in : [A]4 days [B] days [C] days [D] days Show Answer days A’s 1 day’s work = B’s 1 day’s work = C’s 1 day’s work = (A+B+C)’s 1 ..

# A and B together can do a piece of work in 10 days. A alone can do it in 30 days. The time in which B alone can do it is :

A and B together can do a piece of work in 10 days. A alone can do it in 30 days. The time in which B alone can do it is : [A]10 [B]12 [C]20 [D]15 Show Answer 15 (A+B)’s 1 day’s work = A’s 1 day’s work = ∴ B’s 1 day’s work = ..

# A and B together can complete a work in 8 days and B and C together in 12 days. All of the three together can complete the work in 6days. In how much time will A and C together complete the work?

A and B together can complete a work in 8 days and B and C together in 12 days. All of the three together can complete the work in 6days. In how much time will A and C together complete the work? [A]20 [B]8 [C]12 [D]10 Show Answer 8 Let A and C complete the ..

# A can do a work in 6 days and B in 9 days. How many days will both take together to complete the work?

A can do a work in 6 days and B in 9 days. How many days will both take together to complete the work? [A]5.4 days [B]7.5 days [C]3.6 days [D]3 days Show Answer 3.6 days According to question. A can finish the whole work in 6 days. ∴ A’s one day’s work = Similiarly, ..