Question : A, B, and C can separately do work in 6, 10, and 15 days respectively. They started to work together but C left after 2 days. In how many days will the remaining work be finished?

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

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

Option 3: $1\frac{5}{8}$

Option 4: $2\frac{7}{4}$

Question : A and B can do a piece of work in 5 days and 10 days, respectively. They began the work together but A left after some days and B finished the remaining work in 8 days. After how many days did A leave?

Option 1: $3\frac{1}{8}$

Option 2: $5\frac{1}{8}$

Option 3: $6\frac{1}{8}$

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

Question : A, B, and C can separately complete a work in 12, 15, and 20 days, respectively. They worked together for 4 days. What will be the remaining work?

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

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

Option 3: $\frac{1}{6}$

Option 4: $\frac{1}{8}$

Question : A, B and C can work separately in 18, 36 and 54 days. They started the work together, but B and C left 5 days and 10 days, respectively, before the completion of the work. In how many days was the work finished?

Option 1: 15 days

Option 2: 13 days

Option 3: 14 days

Option 4: 12 days

Question : P, Q, and R can complete a piece of work in 10 days, 15 days, and 20 days, respectively. If they work together, in how many days can they finish the same work?

Option 1: $4\frac{8}{13}$

Option 2: $4\frac{3}{7}$

Option 3: $4\frac{7}{13}$

Option 4: $4\frac{5}{7}$

Question : A, B, and C can do a job in 6 days, 12 days and 15 days respectively. After $\frac{1}{8}$th of the work is completed, C leaves the job. The rest of the work is done by A and B together. The time taken to finish the work is:

Option 1: $5\frac{5}{6}$ days

Option 2: $5\frac{1}{4}$ days

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

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