Question : A and B can do a job in 10 days and 5 days, respectively. They worked together for two days, after which B was replaced by C and the work was finished in the next three days. How long will C alone take to finish 60% of the job?

Option 1: 18 days

Option 2: 30 days

Option 3: 25 days

Option 4: 24 days

Question : A and B can do a job in 10 days and 5 days, respectively. They worked together for two days, after which B was replaced by C and the work was finished in the next three days. How long will C alone take to finish 40% of the job?

Option 1: 18 days

Option 2: 12 days

Option 3: 15 days

Option 4: 10 days

Question : A can complete one-third of a work in 10 days and B can do $\frac{3}{5}$ th of the same work in 24 days. They worked together for 10 days. The remaining work was completed by C alone in 15 days. In how many days can C alone do $\frac{2}{3}$rd of the same work?

Option 1: 27

Option 2: 24

Option 3: 30

Option 4: 32

Question : A, B and C together can complete a work in 20 days. A and B together can complete the same work in 30 days. Then, C alone can complete the same work in how many days?

Option 1: 10 days

Option 2: 30 days

Option 3: 45 days

Option 4: 60 days

Question : To do a certain work, B would take time thrice as long as A and C together and C twice as long as A and B together. The three men together complete the work in 10 days. The time taken by A to complete the work separately is:

Option 1: 22 days

Option 2: 24 days

Option 3: 30 days

Option 4: 20 days

Question : A and B can do a piece of work in 10 days. B and C can do it in 12 days. C and A in 15 days. In how many days will C finish it alone?

Option 1: 24 days

Option 2: 30 days

Option 3: 40 days

Option 4: 60 days