Free Test Combined Work – General...

Q1: A can do a work in 12 days and B in 16 days. In how many days will they finish the work together?

A. 6.8 days B. 6.86 days C. 7 days D. 7.2 days

Q2: A and B together can do a piece of work in 20 days. B alone can do it in 30 days. How long will A take to do it alone?

A. 60 days B. 40 days C. 50 days D. 45 days

Q3: A and B can complete a work in 10 days and 15 days respectively. They worked together for 5 days. How much work is left?

A. 1/2 B. 1/3 C. 1/4 D. 2/3

Q4: A, B, and C can do a piece of work in 12, 15, and 20 days respectively. Working together, they will complete the work in:

A. 5 days B. 4 days C. 6 days D. None

Q5: If A and B can do a piece of work in 6 days and A alone can do it in 10 days, how many days will B alone take to do the work?

A. 15 days B. 12 days C. 20 days D. 24 days

Q6: A and B can complete a work in 8 days. B and C in 12 days, and A and C in 16 days. How many days will A, B, and C together take?

A. 10 days B. 8 days C. 6 days D. 5 days

Q7: A and B can complete a work in 30 days. They work together for 20 days, then A leaves. B alone completes the remaining work in 20 more days. Time taken by A alone is:

A. 50 days B. 40 days C. 60 days D. 80 days

Q8: A and B together can do a job in 4 days. If A works alone for 2 days and then B finishes the job in 3 more days, how long would B alone take to do the job?

A. 6 days B. 7 days C. 8 days D. 9 days

Q9: A alone can do a work in 18 days and B alone in 27 days. They work alternately, starting with A. How many days to complete the work?

A. 22 B. 25 C. 23 D. 24

Q10: A can do a work in 15 days and B in 10 days. They start together, but after 2 days A leaves. B completes the work in how many more days?

A. 5 days B. 4 days C. 6 days D. 3 days

Q11: A can do a job in 6 days and B in 8 days. A starts and is joined by B after 2 days. How long to finish work?

A. 4.5 days B. 4 days C. 3.5 days D. 5 days

Q12: A, B, and C can complete a task in 10, 12, and 15 days respectively. In how many days will all three together complete the task?

A. 4 days B. 5 days C. 6 days D. 7 days

Q13: A and B can do a piece of work in 18 days. They worked together for 12 days and then A left. B finished the remaining work in 6 more days. How long does B alone take?

A. 30 days B. 24 days C. 36 days D. 18 days

Q14: A alone can do a job in 12 days. B is 50% more efficient than A. Time taken by B alone is:

A. 8 days B. 10 days C. 6 days D. 9 days

Q15: A, B, C can do a work in 20, 30, and 60 days respectively. How many days will they take to complete the work together?

A. 10 B. 8 C. 12 D. 15

Q16: Two men and three boys can do a work in 10 days. Three men and two boys can do the same work in 8 days. Time taken by 1 man alone?

A. 18 days B. 20 days C. 15 days D. 12 days

Q17: A and B can do a piece of work in 4 days. A alone can do it in 6 days. In how many days can B alone do it?

A. 12 days B. 8 days C. 10 days D. 6 days

Q18: A does 1/3 as much work as B. Together they finish a work in 18 days. In how many days will B finish it alone?

A. 24 days B. 30 days C. 20 days D. 27 days

Q19: A and B can complete a work in 10 days. A alone takes 15 days. How long does B alone take?

A. 30 days B. 20 days C. 25 days D. 40 days

Q20: If 6 men or 8 women can complete a task in 12 days, how many days will 3 men and 4 women take together?