Question : 10 horses can graze a field in 14 days, and 10 sheep take 28 days to graze the same field. How many days will 5 horses and 10 sheep take to graze the same field?

Option 1: 28

Option 2: 10

Option 3: 14

Option 4: 20

Question : Reshma alone can do a work in 14 days. Bhavana is 40% more efficient than Reshma. The number of days, Bhavana alone will take to do the same piece of work is:

Option 1: 10 days

Option 2: 40 days

Option 3: 28 days

Option 4: 14 days

Question : If A can do a work in 21 days and B can do the same work in 28 days. In how many days will they complete the work if they work on alternate days?

Option 1: 22 days

Option 2: 28 days

Option 3: 20 days

Option 4: 24 days

Question : Rahul can complete his work in 7 days and Raj can complete the work in 4 days. How many total days will they take to complete the work together?

Option 1: $\frac{14}{11}$ days

Option 2: $\frac{15}{11}$ days

Option 3: $\frac{28}{13}$ days

Option 4: $\frac{28}{11}$ days

Question : A can do a piece of work in 5 days and B in 4 days. How long will they take to do the same work when working together?

Option 1: $9$ days

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

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

Option 4: $3\frac{2}{9}$ days

Question : A work can be completed by 20 men in 50 days. 30 more men join them after 10 days of work. How many days will be saved in the completion of the work?

Option 1: 18 days

Option 2: 20 days

Option 3: 24 days

Option 4: 28 days