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Time and Work Worksheet

Quantitative aptitude lesson 19: Time and work · Set 37 · 40 questions
TalentJR

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.

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

Answer key

  1. 30
  2. 33
  3. 18/77
  4. 36
  5. 18
  6. 8
  7. 9
  8. 27
  9. 12
  10. 30/209
  11. 1
  12. 40
  13. 21
  14. 90
  15. 69/130
  16. 9
  17. 12
  18. 30/17
  19. 48
  20. 20
  21. 20
  22. 48
  23. 48
  24. 6
  25. 99/272
  26. 23/40
  27. 40
  28. 30/13
  29. 20
  30. 25/78
  31. 4/15
  32. 4
  33. 10
  34. 12
  35. 3
  36. 20
  37. 6
  38. 11/60
  39. 31/110
  40. 12

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