Question : A is 20% more efficient than B. If B alone can complete a piece of work in 12 days, then A alone can complete the same work in how many days?

Option 1: 10

Option 2: 12

Option 3: 14

Option 4: 16

Question : Vijay is 10% more efficient than Vikas. If Vikas can complete a piece of work in 33 days, Vijay can complete the same work in how many days?

Option 1: 25

Option 2: 27

Option 3: 30

Option 4: 36

Question : 24 men can complete a work in 15 days. How many men are needed to complete the same work in 10 days?

Option 1: 16

Option 2: 20

Option 3: 36

Option 4: 25

Question : John can do a piece of work alone in 20 days, while Ravi can do the same piece of work alone in 28 days. In how many days can the duo complete the same work if they work together?

Option 1: $11 \frac{1}{3}$

Option 2: $12 \frac{2}{3}$

Option 3: $11 \frac{2}{3}$

Option 4: $12 \frac{1}{3}$

Question : Aarush and Maahi together can do a piece of work in 10 days. If Aarush alone can do the same work in 15 days, then how many days Maahi alone will take to do the same work?

Option 1: 25

Option 2: 15

Option 3: 30

Option 4: 20