Question : A can complete a task in 9 days and B in 12 days. If they work together on it for 5 days, then the fraction of the work left is:

Option 1: $\frac{1}{35}$

Option 2: $\frac{1}{36}$

Option 3: $\frac{5}{36}$

Option 4: $\frac{35}{36}$

Question : Abraham can complete a work in 9 days, while Andrew can complete the same work in 6 days. In how many days can they complete the work if they work together?

Option 1: $2$

Option 2: $3 \frac{3}{5}$

Option 3: $2 \frac{3}{5}$

Option 4: $3$

Question : 8 men can complete a task in 45 days. 8 women can complete the same task in 18 days. In how many days will 5 men and 8 women, together, complete the same task?

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

Option 2: $12 \frac{4}{5}$

Option 3: $14 \frac{2}{5}$

Option 4: $15 \frac{3}{5}$

Question : A can complete a task in 25 days while B can complete the same task in 30 days. They work on alternate days, starting with A. Both A and B follow this pattern for 5 days and then, A leaves. In how many days will B finish the remaining work?

Option 1: $24 \frac{2}{5}$

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

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

Option 4: $24 \frac{3}{5}$

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 20% of a task in 4 days and B can do $33 \frac{1}{3}$% of the same task in 10 days. They worked together for 9 days and then, C completed the remaining work in 6 days. B and C together will complete 75% of the same work in:

Option 1: 12 days

Option 2: 9 days

Option 3: 11 days

Option 4: 10 days