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 : A can do a task in 8 days, while B can do it in 18 days. In how many days will the work be completed if they both work on alternate days, starting with B?

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

Option 2: $12 \frac{1}{3}$ days

Option 3: $10$ days

Option 4: $10 \frac{1}{3}$ 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 : 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