Time and Work Alternate Pattern Problems

Time and Work Alternate Pattern Problems

#### A and B working separately can do a piece of work in 10 and 15 days respectively. If they work on alternate days beginning with A, in how many days will the work be completed? 1. [ ] 3 2. [ ] 4 3. [ ] 5 4. [x] 12 #### A and B working separately can do a piece of work in 9 and 12 days respectively. If they work for a day alternately , A beginning, in how many days the work will be completed 1. [ ] 9 2. [x] 10 3. [ ] 11 4. [ ] 12 #### 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 how many days? 1. [ ] 13 2. [ ] 14 3. [ ] 15 4. [x] 24/7 #### A and B working separately can do a piece of work in 9 days and 12 days respectively, if they work for a alternately, A beginning, in how many days the work will be completed ? 1. [ ] 4 2. [ ] 5 3. [x] 10 4. [ ] 7 #### A, B and C can do a piece of work 6, 8 and 12 days respectively B and C work together for 2 days then A takes C's place How long will it take to finish the work? 1. [ ] 9 2. [ ] 5 3. [ ] 7 4. [x] 2