Question : A and B undertake a project worth Rs. 36,000. A alone can do the work in 25 days. They worked together for 5 days. For the next five days, B worked alone. After that, A substituted B and completed the remaining work in 5 days. The share of A in the earnings is:

Option 1: Rs. 14,400

Option 2: Rs. 21,400

Option 3: Rs. 14,600

Option 4: Rs. 21,600

Question : A alone can complete a work in 18 days and B alone in 15 days. B alone worked at it for 10 days and then left the work. In how many more days, will A alone complete the remaining work?

Option 1: $5$ days

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

Option 3: $6$ days

Option 4: $8$ days

Question : A is twice as efficient as B and C is thrice as efficient as B. Working together, they can finish a certain work in 5 days. A and C worked together for 5 days. B alone would complete the remaining work in ____.

Option 1: 8 days

Option 2: 5 days

Option 3: 6 days

Option 4: 4 days

Question : A can do $\frac{2}{5}$ of a work in 6 days and B can do $\frac{2}{3}$ of the same work in 12 days. A and B worked together for 6 days. C alone completed the remaining work in 8 days. A and C, working together, will complete the same work in:

Option 1: 9 days

Option 2: 12 days

Option 3: 10 days

Option 4: 8 days

Question : A can complete some work in 35 days and B can complete the same work in 15 days. They worked together for 8 days, then B left the work. In how many days will A alone complete 60% of the remaining work?

Option 1: 15

Option 2: 10

Option 3: 5

Option 4: 8

Question : A alone can complete a work in 10 days. B alone can do the same work in 12 days, and C alone can do the same work in 15 days. They jointly complete the work and earn Rs. 4500. What is the share of C?

Option 1: Rs. 1800

Option 2: Rs. 900

Option 3: Rs. 1200

Option 4: Rs. 1500