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Time and Work Worksheet

Quantitative aptitude lesson 19: Time and work · Set 339 · 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.Saanvi works three times as fast as Rohan. Together they finish a job in 5 days. How many days would Rohan take alone?
  2. 2.Vivaan can finish a job in 4 days and Aditya in 24 days. Vivaan works alone for 3 days and then stops. Aditya finishes the rest. How many days does Aditya take?
  3. 3.Aditya works twice as fast as Kabir. Together they finish a job in 4 days. How many days would Kabir take alone?
  4. 4.Aarav can finish a job in 15 days and Arjun in 4 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  5. 5.Meera and Saanvi together finish a job in 3 days. Meera alone takes 4 days. How many days would Saanvi take alone?
  6. 6.Priya can finish a job in 4 days and Ishaan in 16 days. What fraction of the job do they finish if they work together for 3 days? =
  7. 7.Ananya can finish a job in 18 days and Meera in 15 days. What fraction of the job do they finish if they work together for 1 day? =
  8. 8.Manav can finish a job in 15 days and Dev in 5 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  9. 9.Meera works twice as fast as Isha. Together they finish a job in 12 days. How many days would Isha take alone?
  10. 10.Pooja and Arjun together finish a job in 2 days. Pooja alone takes 4 days. How many days would Arjun take alone?
  11. 11.Aarav can finish a job in 11 days and Vivaan in 3 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  12. 12.Ananya can finish a job in 28 days and Aarav in 14 days. Ananya works alone for 2 days and then stops. Aarav finishes the rest. How many days does Aarav take?
  13. 13.Rohan and Meera together finish a job in 4 days. Rohan alone takes 5 days. How many days would Meera take alone?
  14. 14.Rohan works twice as fast as Arjun. Together they finish a job in 2 days. How many days would Arjun take alone?
  15. 15.Vivaan and Karan together finish a job in 3 days. Vivaan alone takes 6 days. How many days would Karan take alone?
  16. 16.Aditya works three times as fast as Aarav. Together they finish a job in 6 days. How many days would Aarav take alone?
  17. 17.Rahul works twice as fast as Manav. Together they finish a job in 11 days. How many days would Manav take alone?
  18. 18.Farhan can finish a job in 9 days and Kavya in 27 days. Farhan works alone for 2 days and then stops. Kavya finishes the rest. How many days does Kavya take?
  19. 19.Diya and Karan together finish a job in 18 days. Diya alone takes 27 days. How many days would Karan take alone?
  20. 20.Saanvi can finish a job in 5 days and Isha in 17 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  21. 21.Pooja and Vivaan together finish a job in 14 days. Pooja alone takes 18 days. How many days would Vivaan take alone?
  22. 22.Rohan works three times as fast as Tara. Together they finish a job in 7 days. How many days would Tara take alone?
  23. 23.Pooja can finish a job in 2 days and Priya in 5 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  24. 24.Diya and Isha together finish a job in 5 days. Diya alone takes 10 days. How many days would Isha take alone?
  25. 25.Nisha can finish a job in 6 days and Sneha in 30 days. Nisha works alone for 4 days and then stops. Sneha finishes the rest. How many days does Sneha take?
  26. 26.Priya can finish a job in 7 days and Diya in 21 days. Priya works alone for 6 days and then stops. Diya finishes the rest. How many days does Diya take?
  27. 27.Nisha can finish a job in 2 days and Arjun in 15 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  28. 28.Vivaan works three times as fast as Ananya. Together they finish a job in 9 days. How many days would Ananya take alone?
  29. 29.Isha and Arjun together finish a job in 8 days. Isha alone takes 10 days. How many days would Arjun take alone?
  30. 30.Nisha can finish a job in 10 days and Aarav in 25 days. Nisha works alone for 4 days and then stops. Aarav finishes the rest. How many days does Aarav take?
  31. 31.Ananya can finish a job in 8 days and Manav in 14 days. What fraction of the job do they finish if they work together for 1 day? =
  32. 32.Karan can finish a job in 7 days and Rohan in 12 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  33. 33.Ananya works twice as fast as Tara. Together they finish a job in 6 days. How many days would Tara take alone?
  34. 34.Rahul can finish a job in 12 days and Manav in 9 days. What fraction of the job do they finish if they work together for 3 days? =
  35. 35.Sneha can finish a job in 18 days and Priya in 30 days. Sneha works alone for 6 days and then stops. Priya finishes the rest. How many days does Priya take?
  36. 36.Dev can finish a job in 12 days and Manav in 9 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  37. 37.Aditya can finish a job in 6 days and Kabir in 4 days. Aditya works alone for 3 days and then stops. Kabir finishes the rest. How many days does Kabir take?
  38. 38.Tara can finish a job in 18 days and Dev in 9 days. Tara works alone for 16 days and then stops. Dev finishes the rest. How many days does Dev take?
  39. 39.Diya can finish a job in 10 days and Aarav in 6 days. What fraction of the job do they finish if they work together for 1 day? =
  40. 40.Kavya can finish a job in 21 days and Rohan in 15 days. Kavya works alone for 7 days and then stops. Rohan finishes the rest. How many days does Rohan take?

Answer key

  1. 20
  2. 6
  3. 12
  4. 60/19
  5. 12
  6. 15/16
  7. 11/90
  8. 15/4
  9. 36
  10. 4
  11. 33/14
  12. 13
  13. 20
  14. 6
  15. 6
  16. 24
  17. 33
  18. 21
  19. 54
  20. 85/22
  21. 63
  22. 28
  23. 10/7
  24. 10
  25. 10
  26. 3
  27. 30/17
  28. 36
  29. 40
  30. 15
  31. 11/56
  32. 84/19
  33. 18
  34. 7/12
  35. 20
  36. 36/7
  37. 2
  38. 1
  39. 4/15
  40. 10

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