Mock Test

Q1. A, B, and C can finish a work in 12 days. They start working together. A leaves after 5 days. B leaves 4 days before the work is completed. C works till the end. If the total payment is ₹12000, what is C's share?

Q2. A can do a work in 6 hours. B can do it in 8 hours. They work together for 4 hours. Then A leaves. How many hours will B take to finish the remaining work?

Q3. A, B, and C can complete a piece of work individually in 12 minutes, 15 minutes, and 20 minutes respectively. If they work together, how many minutes will it take to complete the work?

Q4. A, B, and C can complete a work in 10, 20, and 40 machine-hours respectively. If they work together, how many machine-hours will they take to complete the work?

Q5. A, B, and C can complete a work in 10, 12, and 15 days respectively. They start the work together. If A leaves 1 day before the completion of the work and B leaves 2 days before the completion of the work, how many days did C work?

Q6. A, B, and C can complete a work in 20, 24, and 30 days respectively. They start working together. A works for 5 days and then leaves. B and C then work together for 4 days, after which B leaves. In how many days can C alone complete the remaining work?

Q7. A, B, and C work for 5 days, 10 days, and 15 days respectively to complete a work. In what ratio will the total work be divided among them?

Q8. A, B, and C can do a piece of work in 10, 12, and 15 days respectively. They start working together. C leaves 2 days before the work is completed. B leaves 3 days before C leaves. A completes the remaining work. In how many days was the work completed?

Q9. A can complete a work in 8 hours. B can complete the same work in 12 hours. They work together for 2 hours. Then C joins them, and they complete the remaining work in 3 hours. In how many hours can C alone complete the work?

Q10. A and B can complete a work in 5 days. B and C can complete it in 6 days. A and C can complete it in 10 days. In how many days can A alone complete the work?

Q11. A can complete a work in 7 days. B can complete the same work in 14 days. If they work on alternate days, starting with A, in how many days will the work be completed?

Q12. A can complete a work in 8 hours. B can complete the same work in 10 hours. If A works for 4 hours and then B takes over, in how many more hours will B complete the remaining work?

Q13. A can complete a work in 24 days. He works for 10 days and then B completes the remaining work in 14 days. In how many days can B complete the work alone?

Q14. A, B, and C can complete a work in 12, 15, and 20 days respectively. They start working together, but after 4 days, B leaves. If A and C continue to work for another 2 days and then A leaves, in how many more days will C complete the remaining work?

Q15. A is twice as efficient as B. A and B together can complete a work in 15 days. In how many days can A alone complete the work?

Q16. B completes a work in 7 seconds. What is the work done by B in 7 seconds?

Q17. A and B together can complete a work in 8 days. If A alone completes 2/3 of the work in 12 days, in how many days can B alone complete the work?

Q18. A, B, and C can complete a work in 12, 15, and 20 days respectively. They start working together. After 5 days, A leaves, and B and C continue. How many days will it take B and C to complete the remaining work?

Q19. A, B, and C can complete a work in 12 days. If A and B together can complete the same work in 15 days, and B and C together can complete it in 20 days, in how many days can A and C complete the work together?

Q20. A can complete a work in 12 days. He works for 3 days and then B joins him. The remaining work is completed in 6 days. In how many days can B alone complete the work?