← Time and work lesson New set →

Time and Work Worksheet

Quantitative aptitude lesson 19: Time and work · Set 195 · 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.Kabir can finish a job in 17 days and Rahul in 4 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  2. 2.Kavya can finish a job in 16 days and Isha in 6 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  3. 3.Manav can finish a job in 9 days and Diya in 18 days. What fraction of the job do they finish if they work together for 3 days? =
  4. 4.Diya works twice as fast as Manav. Together they finish a job in 4 days. How many days would Manav take alone?
  5. 5.Aditya and Dev together finish a job in 9 days. Aditya alone takes 18 days. How many days would Dev take alone?
  6. 6.Aarav can finish a job in 5 days and Rohan in 15 days. Aarav works alone for 3 days and then stops. Rohan finishes the rest. How many days does Rohan take?
  7. 7.Ishaan can finish a job in 18 days and Rohan in 19 days. What fraction of the job do they finish if they work together for 2 days? =
  8. 8.Kabir can finish a job in 5 days and Zoya in 13 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  9. 9.Aditya can finish a job in 21 days and Isha in 28 days. Aditya works alone for 9 days and then stops. Isha finishes the rest. How many days does Isha take?
  10. 10.Aditya works twice as fast as Kavya. Together they finish a job in 9 days. How many days would Kavya take alone?
  11. 11.Aditya and Diya together finish a job in 2 days. Aditya alone takes 3 days. How many days would Diya take alone?
  12. 12.Isha can finish a job in 18 days and Saanvi in 10 days. What fraction of the job do they finish if they work together for 1 day? =
  13. 13.Aditya can finish a job in 19 days and Vivaan in 6 days. What fraction of the job do they finish if they work together for 3 days? =
  14. 14.Tara can finish a job in 19 days and Isha in 9 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  15. 15.Aditya can finish a job in 6 days and Aarav in 7 days. What fraction of the job do they finish if they work together for 3 days? =
  16. 16.Diya works three times as fast as Zoya. Together they finish a job in 3 days. How many days would Zoya take alone?
  17. 17.Nisha can finish a job in 14 days and Ishaan in 10 days. What fraction of the job do they finish if they work together for 1 day? =
  18. 18.Karan can finish a job in 18 days and Meera in 3 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  19. 19.Aditya can finish a job in 5 days and Diya in 17 days. What fraction of the job do they finish if they work together for 1 day? =
  20. 20.Dev can finish a job in 6 days and Ananya in 21 days. Dev works alone for 2 days and then stops. Ananya finishes the rest. How many days does Ananya take?
  21. 21.Isha can finish a job in 10 days and Saanvi in 6 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  22. 22.Karan works twice as fast as Meera. Together they finish a job in 4 days. How many days would Meera take alone?
  23. 23.Kavya can finish a job in 19 days and Vivaan in 16 days. What fraction of the job do they finish if they work together for 3 days? =
  24. 24.Zoya works three times as fast as Diya. Together they finish a job in 2 days. How many days would Diya take alone?
  25. 25.Farhan and Diya together finish a job in 6 days. Farhan alone takes 8 days. How many days would Diya take alone?
  26. 26.Arjun can finish a job in 11 days and Dev in 7 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  27. 27.Dev and Pooja together finish a job in 6 days. Dev alone takes 10 days. How many days would Pooja take alone?
  28. 28.Arjun can finish a job in 16 days and Nisha in 19 days. What fraction of the job do they finish if they work together for 3 days? =
  29. 29.Rohan can finish a job in 3 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. =
  30. 30.Ishaan can finish a job in 6 days and Vivaan in 11 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  31. 31.Nisha can finish a job in 8 days and Dev in 20 days. What fraction of the job do they finish if they work together for 1 day? =
  32. 32.Tara can finish a job in 13 days and Aditya in 6 days. What fraction of the job do they finish if they work together for 1 day? =
  33. 33.Nisha can finish a job in 16 days and Pooja in 10 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  34. 34.Dev works three times as fast as Kabir. Together they finish a job in 3 days. How many days would Kabir take alone?
  35. 35.Meera can finish a job in 4 days and Zoya in 8 days. Meera works alone for 1 day and then stops. Zoya finishes the rest. How many days does Zoya take?
  36. 36.Nisha can finish a job in 6 days and Priya in 4 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  37. 37.Nisha can finish a job in 12 days and Karan in 20 days. Nisha works alone for 6 days and then stops. Karan finishes the rest. How many days does Karan take?
  38. 38.Aditya and Dev together finish a job in 7 days. Aditya alone takes 8 days. How many days would Dev take alone?
  39. 39.Dev can finish a job in 20 days and Rohan in 10 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  40. 40.Priya can finish a job in 9 days and Saanvi in 17 days. What fraction of the job do they finish if they work together for 2 days? =

Answer key

  1. 68/21
  2. 48/11
  3. 1/2
  4. 12
  5. 18
  6. 6
  7. 37/171
  8. 65/18
  9. 16
  10. 27
  11. 6
  12. 7/45
  13. 25/38
  14. 171/28
  15. 13/14
  16. 12
  17. 6/35
  18. 18/7
  19. 22/85
  20. 14
  21. 15/4
  22. 12
  23. 105/304
  24. 8
  25. 24
  26. 77/18
  27. 15
  28. 105/304
  29. 6/5
  30. 66/17
  31. 7/40
  32. 19/78
  33. 80/13
  34. 12
  35. 6
  36. 12/5
  37. 10
  38. 56
  39. 20/3
  40. 52/153

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude