Time & Work Test 1

1. A can do a piece of work in 7 days and B can do the same work in 7 days. In how many days working together will they do the same work?

2. X can do a piece of work in 30 days and Y can do in 20 days. In how many days they work together to finish the same work?

3. P can do the work in 15 days and Q can do the same work in 30 days. In how many days they work together to finish the same work?

4. A can do a piece of work in 23 days and B in 29 days. In how many days they work together to finish the work?

5. Ram can finish a work in 30 days and Vijay in 60 days, In how many days they work together will do the same work?

6. Aman can do a work in 8 days and Shyam in 10 days. In how many days they, work together will do the double work?

7. A can do the work in 50 days, B in 30 days. How many days they work together to finish the whole work?

8. X can do a work in 18 days and Y in 36 days. How many days they work together to complete the Two-Third work?

9. Ashish can do a work in 25 days and Rohit in 75 days. How many days they work together to complete the Two-fifth work?

10. A can do the work in 60 days and B in 90 days. How many days they work together to complete the four times the total work?

11. A, B and C can complete a piece of work in 12, 15 and 20 days respectively. How many days they work together to complete the same work?

12. P, Q, R and S can complete a piece of work in 20, 30, 15, 45 hours respectively. How many hours they work together to complete the work?

13. Ram, Shyam and Ankit can complete a piece of work in 7 days, 9 days and 19 days respectively. In how many days they work together to complete the work?

14. Shakshi, Priyanka and Pragati working separately can do a piece of work in 9, 12 and 36 hours respectively. If they work together they will complete the 60% of the work in how many days?

15. Naveen, Ashish and Mohit can do a certain Job in 17, 19 and 21 days respectively. If they work together they will complete the work in?

16. Rakesh, Ashok and Raju can do a piece of work in 30, 45 and 60 days respectively. Working together, In how many days they will complete the Two-fifth work?

17. A tyre has two Punctures. The first Puncture alone would have made the tyre flat in 9 minutes and second alone would have done it in 12 minutes. If air leaks out at a constant rate, how long it takes both the Punctures together to make it flat?

18. Ankit can do 1/3 of a piece of work in 5 days, Vinod do 3/5 of the same work in 15 days and Chetan can do 6/7 of that work in 18 days. In how many days three of them working together will complete the work?

19. A man can do a piece of work in 5 days, but with the help of his son, he can do it in 3 days. In what time can the son do it alone?

20. A can lay railway track between two given stations in 16 days, B can do same job in 12 days. With the help of C, they did the job in 4 days only. Then, C alone can do the job in?