Question : A and B can do a piece of work in 10 days and 15 days, respectively. They worked together, but 5 days before the completion of the work, A left. In how many days was the work completed?

Option 1: 4

Option 2: 8

Option 3: 6

Option 4: 9

Question : S, T, and U can complete a work in 40, 48, and 60 days, respectively. They received Rs. 10,800 to complete the work. They began the work together, but T left 2 days before the completion of the work and U left 5 days before the completion of the work. S has completed the remaining work alone. What is the share of S (in Rs.) from the total money?

Option 1: 4000

Option 2: 4320

Option 3: 4500

Option 4: 4860

Question : P, Q, and R can complete a work alone in 12,15, and 20 days respectively. They started the work together. P left the work 8 days before the work was completed and Q left the work 5 days after P had left. R completed the remaining work alone. How many days will be required to complete the whole work?

Option 1: $\frac{32}{3}$ days

Option 2: $10$ days

Option 3: $\frac{28}{3}$ days

Option 4: $\frac{25}{3}$ days

Question : A, B, and C can complete a work in 10, 12, and 15 days respectively. They started the work together, but A left the work before five days of its completion. B also left the job two days after A left. In how many days was the work completed?

Option 1: 4 days

Option 2: 5 days

Option 3: 7 days

Option 4: 8 days