Question : Raja and Rocky together can complete painting work in 5 days. Together they both start painting, but after 2 days, Rocky falls sick and leaves the work. If Raja completes the remaining painting in 4 days, find the number of days in which Rocky alone can do the work.

Option 1: 12 days

Option 2: 15 days

Option 3: 20 days

Option 4: 10 days

Question : A completes 30% of a project in 30 days. He then calls in B and they together finish the remaining work in 20 days. How long would B alone take to do the whole work?

Option 1: 40 days

Option 2: 80 days

Option 3: 120 days

Option 4: 20 days

Question : A can finish a work in 20 days and B can complete the same work in 15 days. B worked for 9 days and left the job. In how many days can A alone finish the remaining work?

Option 1:  10 days

Option 2: 8 days

Option 3: 9 days

Option 4: 7 days

Question : A and B together can finish a work in 30 days. They worked on it for 20 days and then B left. The remaining work was done by A alone in 20 days. In how many days can A alone finish the work?

Option 1: 48 days

Option 2: 50 days

Option 3: 54 days

Option 4: 60 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 : If A and B together can do a piece of work in 20 days, and A alone can do the same work in 30 days, in how many days can B alone complete the same work?

Option 1: 45

Option 2: 40

Option 3: 60

Option 4: 50