Time & Work Questions for SBI PO, FREE Practice PDF & Quiz

Q1. A can complete a work in 12 days and B can complete the same work in 15 days. In how many days will A and B together complete the work?

Q2. A can do a piece of work in 20 days, B in 25 days, and C in 40 days. In how many days will all three together complete the work?

Q3. A and B together can complete a work in 12 days. A alone can finish it in 20 days. How many days will B alone take to finish the work?

Q4. A can finish a work in 18 days. B is 50% more efficient than A. In how many days will B finish the same work?

Q5. A and B together can do a work in 10 days. B and C together can do it in 15 days. A and C together can do it in 12 days. In how many days can A, B and C together complete the work?

Q6. A can complete a task in 30 days. After working for 6 days, A leaves and B completes the remaining work in 16 days. In how many days can B alone complete the entire work?

Q7. A is twice as efficient as B. Together they complete a work in 14 days. How many days does A alone take?

Q8. The ratio of efficiencies of A and B is 3:2. If together they complete a work in 18 days, how many days does B alone take?

Q9. A, B, and C can individually complete a work in 10, 12, and 15 days. A works for 2 days, then B works for 3 days, and finally C completes the remaining work. How many days did C work?

Q10. A and B can do a work in 15 and 20 days respectively. They work together for 6 days, after which A leaves. How many more days does B take to finish the remaining work?

Q11. A is 25% more efficient than B. B alone can complete a work in 20 days. In how many days will A and B together complete the work?

Q12. P is 20% less efficient than Q. Q alone can finish a task in 15 days. How many days does P take to finish the same task?

Q13. A is 40% more efficient than B. A takes 15 days less than B to complete a work. How many days does A take alone?

Q14. A can complete a work in 24 days and B can complete it in 32 days. They work together for 8 days, then A leaves. How many more days does B need to finish the work?

Q15. The time ratio of A and B to complete a work is 2:3. If together they finish the work in 12 days, how many days does A take alone?

Q16. Pipe A can fill a tank in 10 hours and Pipe B can fill it in 15 hours. Both pipes are opened together. In how many hours will the tank be full?

Q17. A pipe can fill a tank in 12 hours. A leakage at the bottom can empty the full tank in 20 hours. If the tank is empty, how long will it take to fill the tank with the pipe open and the leakage present?

Q18. Two pipes A and B can fill a cistern in 20 and 30 minutes respectively. Both are opened simultaneously. After how many minutes should B be closed so that the cistern is full in 18 minutes?

Q19. Three pipes A, B, and C can fill a tank in 6, 9, and 12 hours respectively. A is opened at 6 AM, B at 9 AM, and C at 11 AM. At what time will the tank be full?

Q20. Pipe A fills a tank in 8 hours, Pipe B fills in 12 hours, and Pipe C empties in 6 hours. All three are opened together. How long will it take to fill an empty tank?

Q21. A can do a work in 16 days and B in 24 days. A works alone for 4 days, then B joins. How many days in total will the work be completed?

Q22. A and B together can finish a work in 10 days. A works alone for the first 5 days, then B alone for the next 8 days. What fraction of the work remains?

Q23. A can complete 1/3 of a work in 5 days. In how many days will A complete the full work?

Q24. A completes 40% of a work in 8 days. At this rate, how many more days are needed to finish the remaining work?

Q25. A can do a work in 25 days. He works for 10 days and then B finishes the remaining work in 15 days. How many days would B take to do the whole work alone?

Q26. A and B can complete a work in 20 and 30 days respectively. They work on alternate days, starting with A. In how many days will the work be completed?

Q27. A and B work on alternate days, B starting first. A takes 15 days and B takes 10 days to complete the work alone. In how many days is the work finished?

Q28. A, B, C work on alternate days in rotation (A, B, C, A, B, C…). A takes 6 days, B takes 9 days, C takes 18 days alone. In how many days will the work be finished?

Q29. A and B together earn ₹3,000 for completing a work. A is twice as efficient as B. What is A’s share of the wage?

Q30. A, B, and C together complete a work and earn ₹4,500. A is 50% more efficient than B, and B is 25% more efficient than C. Find C’s share.