Question : In a company, a piece of work can be completed in 4, 6 and 18 days alone by R, S and T, respectively. In how many days will the work be completed if they work together? (Rounded off to 2 decimal places)

Option 1: 3.32

Option 2: 2.12

Option 3: 2.42

Option 4: 3.21

Question : A and B together can do a piece of work in 12 days, while A alone can do the same work in 30 days. B alone can do it in:

Option 1: 18 days

Option 2: 20 days

Option 3: 15 days

Option 4: 22 days

Question : A and B together can do a piece of work in 12 days. A alone can do it in 18 days. In how many days B alone can do the work?

Option 1: 36 days

Option 2: 24 days

Option 3: 32 days

Option 4: 30 days

Question : A and B together can complete a piece of work in 12 days. They worked together for 5 days and then A alone finished the rest of the work in 14 days. A single person can complete the work in:

Option 1: 24 days

Option 2: 22 days

Option 3: 20 days

Option 4: 18 days

Question : A can do a piece of work in 10 days and B can do it in 12 days. They work together for 3 days. Then B leaves and A alone continues. 2 days after that C joins and the work is completed in 2 days more. In how many days can C do it, if he works alone?

Option 1: 30 days

Option 2: 50 days

Option 3: 40 days

Option 4: 60 days

Question : A and B together can do a piece of work in 6 days and A alone can do it in 9 days. The number of days B will take to do it alone is:

Option 1: 18 days

Option 2: 24 days

Option 3: 9 days

Option 4: 12 days