Question : Ramesh is 60% less efficient than Rahul. If Rahul can make a computer in 12 days, then Ramesh can make the same computer in how many days?

Option 1: 30 days

Option 2: 40 days

Option 3: 50 days

Option 4: 60 days

Question : Sachin is 12.5 percent less efficient than Rohit. If Sachin alone can finish a work in 24 days, then in how many days will Rohit alone finish the same work?

Option 1: 16 days

Option 2: 21 days

Option 3: 18 days

Option 4: 20 days

Question : A is two times as efficient as B. A can complete a work in 20 days less than B. If both of them work together, then in how many days will the same work be completed?

Option 1: $\frac{40}{3}$ days

Option 2: $\frac{27}{2}$ days

Option 3: 20 days

Option 4: 15 days

Question : A can do a piece of work in 48 days. If B is 50% more efficient than A, then in how many days can B do the same work?

Option 1: 24

Option 2: 32

Option 3: 18

Option 4: 15

Question : 56 persons can repair a bridge in 20 days. If 14 more people join them, then the bridge can be repaired in:

Option 1: 18 days

Option 2: 12 days

Option 3: 16 days

Option 4: 14 days