Question : Rekha alone can complete a task in 16 days and Bina alone can complete the same task in 12 days. Starting with Rekha, they work on alternate days. The task will be completed in:

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

Option 2: $12\ \text{days}$

Option 3: $13\ \text{days}$

Option 4: $13 \frac{3}{4}\ \text{days}$

Question : 30 men can complete a work in 12 days. After 6 days, 24 more men joined them. How many days will it now take to complete the remaining work?

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

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

Option 3: $3\frac{1}{2}$ days

Option 4: $2\frac{1}{3}$ days

Question : Amar can complete a work in 15 days and Prem in 12 days. Starting with Amar, they work on alternate days. In how many days will the work be completed?

Option 1: $13\frac{2}{5}$

Option 2: $12\frac{1}{6}$

Option 3: $13\frac{1}{2}$

Option 4: $13$

Question : Raju, Sunil and Vishal can separately finish a work in 20, 30 and 40 days, respectively. In how many days Raju can finish the work, if he is assisted by Sunil and Vishal on alternate days, starting with Sunil?

Option 1: $12 \frac{3}{5}$

Option 2: $12 \frac{1}{20}$

Option 3: $11 \frac{1}{20}$

Option 4: $11 \frac{3}{5}$

Question : Virat can complete a task in 30 days and Daniel is 60% more efficient than Virat in completing the same task. Find the time total taken by Daniel to complete the task.

Option 1: $16 \frac{3}{5}$ days

Option 2: $18 \frac{3}{4}$ days

Option 3: $19 \frac{5}{3}$ days

Option 4: $17 \frac{5}{3}$ days