Time and Work Worksheet

Quantitative aptitude lesson 19: Time and work · Set 432 · 40 questions

The method (LCM units): Take the whole job as the LCM of the days. Units a day for each person = job ÷ their days. Add for working together. Days = job ÷ units a day. The answer can be a fraction like 20/9 days. Someone works a few days and stops: find what is left, then share it out.

1. 1.Sneha can finish a job in 21 days and Kabir in 18 days. Sneha works alone for 7 days and then stops. Kabir finishes the rest. How many days does Kabir take?
2. 2.Meera can finish a job in 9 days and Rohan in 17 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
3. 3.Arjun and Diya together finish a job in 4 days. Arjun alone takes 8 days. How many days would Diya take alone?
4. 4.Aditya and Rohan together finish a job in 14 days. Aditya alone takes 18 days. How many days would Rohan take alone?
5. 5.Meera and Rahul together finish a job in 2 days. Meera alone takes 3 days. How many days would Rahul take alone?
6. 6.Kabir works three times as fast as Isha. Together they finish a job in 11 days. How many days would Isha take alone?
7. 7.Rohan can finish a job in 11 days and Aditya in 7 days. What fraction of the job do they finish if they work together for 1 day? =
8. 8.Diya can finish a job in 2 days and Ishaan in 16 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
9. 9.Nisha and Diya together finish a job in 5 days. Nisha alone takes 6 days. How many days would Diya take alone?
10. 10.Diya can finish a job in 6 days and Dev in 26 days. Diya works alone for 3 days and then stops. Dev finishes the rest. How many days does Dev take?
11. 11.Rohan can finish a job in 7 days and Diya in 21 days. Rohan works alone for 6 days and then stops. Diya finishes the rest. How many days does Diya take?
12. 12.Isha and Ananya together finish a job in 2 days. Isha alone takes 4 days. How many days would Ananya take alone?
13. 13.Vivaan can finish a job in 14 days and Saanvi in 2 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
14. 14.Kavya works twice as fast as Ishaan. Together they finish a job in 7 days. How many days would Ishaan take alone?
15. 15.Meera can finish a job in 5 days and Ishaan in 4 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
16. 16.Aditya and Diya together finish a job in 2 days. Aditya alone takes 3 days. How many days would Diya take alone?
17. 17.Meera and Vivaan together finish a job in 3 days. Meera alone takes 6 days. How many days would Vivaan take alone?
18. 18.Aditya works three times as fast as Isha. Together they finish a job in 7 days. How many days would Isha take alone?
19. 19.Aarav can finish a job in 6 days and Tara in 4 days. What fraction of the job do they finish if they work together for 1 day? =
20. 20.Vivaan works three times as fast as Ishaan. Together they finish a job in 10 days. How many days would Ishaan take alone?
21. 21.Meera and Diya together finish a job in 6 days. Meera alone takes 10 days. How many days would Diya take alone?
22. 22.Farhan can finish a job in 6 days and Ishaan in 11 days. What fraction of the job do they finish if they work together for 1 day? =
23. 23.Rohan works three times as fast as Tara. Together they finish a job in 12 days. How many days would Tara take alone?
24. 24.Dev and Zoya together finish a job in 3 days. Dev alone takes 6 days. How many days would Zoya take alone?
25. 25.Meera and Kabir together finish a job in 6 days. Meera alone takes 8 days. How many days would Kabir take alone?
26. 26.Isha and Arjun together finish a job in 4 days. Isha alone takes 6 days. How many days would Arjun take alone?
27. 27.Rohan and Manav together finish a job in 6 days. Rohan alone takes 12 days. How many days would Manav take alone?
28. 28.Nisha and Arjun together finish a job in 18 days. Nisha alone takes 24 days. How many days would Arjun take alone?
29. 29.Kabir can finish a job in 14 days and Pooja in 12 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
30. 30.Meera can finish a job in 12 days and Saanvi in 10 days. What fraction of the job do they finish if they work together for 1 day? =
31. 31.Isha and Meera together finish a job in 2 days. Isha alone takes 3 days. How many days would Meera take alone?
32. 32.Arjun works three times as fast as Kabir. Together they finish a job in 7 days. How many days would Kabir take alone?
33. 33.Karan can finish a job in 7 days and Saanvi in 12 days. What fraction of the job do they finish if they work together for 3 days? =
34. 34.Isha can finish a job in 13 days and Nisha in 26 days. Isha works alone for 4 days and then stops. Nisha finishes the rest. How many days does Nisha take?
35. 35.Dev can finish a job in 17 days and Aditya in 15 days. What fraction of the job do they finish if they work together for 2 days? =
36. 36.Ananya can finish a job in 17 days and Kavya in 11 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
37. 37.Vivaan can finish a job in 12 days and Dev in 21 days. Vivaan works alone for 8 days and then stops. Dev finishes the rest. How many days does Dev take?
38. 38.Rohan works twice as fast as Dev. Together they finish a job in 9 days. How many days would Dev take alone?
39. 39.Dev can finish a job in 14 days and Arjun in 19 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
40. 40.Sneha and Manav together finish a job in 4 days. Sneha alone takes 5 days. How many days would Manav take alone?

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