Question : Anil alone takes 2 hrs 40 mins to complete a work and Sumit alone can complete the same work in half time of Anil. How much time will be taken by Sumit to complete the work?

Option 1: 70 mins

Option 2: 90 mins

Option 3: 75 mins

Option 4: 80 mins

Question : A can do a work alone in 60 days and B can do the same work alone in 33.33% less time taken by A. Find the time taken by B to complete the work alone.

Option 1: 30 days

Option 2: 17 days

Option 3: 22 days

Option 4: 40 days

Question : Anil is 12.5% more efficient than Sachin. If Sachin alone can finish a work in 10 days, then in how many days will Anil alone finish the same work?

Option 1: $\frac{80}{7}$ days

Option 2: $\frac{70}{9}$ days

Option 3: $\frac{80}{9}$ days

Option 4: $\frac{70}{11}$ days

Question : M alone can complete a work in 50 days and N alone can complete the same work in 100 days. If both of them work together, then in 25 days what percentage work of the total work will be completed?

Option 1: 60%

Option 2: 55%

Option 3: 75%

Option 4: 80%

Question : 9 boys and 12 men can complete a work in 24 days. Each boy takes thrice the time taken by a man to complete the work. In how many days will 15 men complete the same work?

Option 1: 26 days

Option 2: 30 days

Option 3: 24 days

Option 4: 22 days

Question : X and Y together can do a piece of work in 45 days. If Y alone can complete it in 180 days, then in how many days X alone can complete the work?

Option 1: 90 days

Option 2: 40 days

Option 3: 60 days

Option 4: 80 days