Question : Anuj's efficiency is 150 percent of Vinod's efficiency. If Anuj can complete a work in 20 days, then how many days will they together take to complete the same work?

Option 1: 6 days

Option 2: 9 days

Option 3: 15 days

Option 4: 12 days

Question : A and B together can complete a work in 20 days. B and C together can complete the same work in 15 days. If A, B, and C all work together, then the same work gets completed in 10 days. How many days will A and C together take to complete the same work?

Option 1: 8 days

Option 2: 10 days

Option 3: 15 days

Option 4: 12 days

Question : A can complete a piece of work in 9 days. B and C can complete the same work in 12 days and 18 days respectively. If A, B, and C work together, then in how many days will they complete the work?

Option 1: 10 days

Option 2: 8 days

Option 3: 4 days

Option 4: 15 days

Question : If a man completed a work in 10 days and the same work was completed by a woman in 8 days. How many days will it take to complete if they work together?

Option 1: $\frac{38}{8}$

Option 2: $\frac{40}{7}$

Option 3: $\frac{40}{9}$

Option 4: $\frac{42}{9}$

Question : Ram can complete a piece of work in 18 days, Reena can complete the same work in 12 days, and with the help of Shyam, they finish the same work in 6 days. In how many days can Shyam alone complete the same work?

Option 1: 42 days

Option 2: 36 days

Option 3: 30 days

Option 4: 24 days

Question : 40 men can complete a work in 18 days. Eight days after they started working together, 10 more men joined them. How many days will it now take to complete the remaining work?

Option 1: 6

Option 2: 8

Option 3: 10

Option 4: 12