← Time and work lesson New set →

Time and Work Worksheet

Quantitative aptitude lesson 19: Time and work · Set 161 · 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.Zoya works twice as fast as Isha. Together they finish a job in 2 days. How many days would Isha take alone?
  2. 2.Arjun can finish a job in 12 days and Tara in 24 days. Arjun works alone for 4 days and then stops. Tara finishes the rest. How many days does Tara take?
  3. 3.Pooja can finish a job in 19 days and Farhan in 5 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  4. 4.Aditya works three times as fast as Manav. Together they finish a job in 12 days. How many days would Manav take alone?
  5. 5.Aarav can finish a job in 15 days and Rohan in 4 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  6. 6.Isha works twice as fast as Rohan. Together they finish a job in 6 days. How many days would Rohan take alone?
  7. 7.Farhan can finish a job in 20 days and Pooja in 13 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  8. 8.Nisha can finish a job in 18 days and Tara in 9 days. What fraction of the job do they finish if they work together for 3 days? =
  9. 9.Sneha can finish a job in 14 days and Arjun in 22 days. Sneha works alone for 7 days and then stops. Arjun finishes the rest. How many days does Arjun take?
  10. 10.Meera works twice as fast as Diya. Together they finish a job in 8 days. How many days would Diya take alone?
  11. 11.Saanvi and Sneha together finish a job in 4 days. Saanvi alone takes 12 days. How many days would Sneha take alone?
  12. 12.Saanvi works three times as fast as Priya. Together they finish a job in 7 days. How many days would Priya take alone?
  13. 13.Isha can finish a job in 8 days and Pooja in 17 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  14. 14.Kavya can finish a job in 15 days and Rohan in 8 days. What fraction of the job do they finish if they work together for 1 day? =
  15. 15.Ananya can finish a job in 6 days and Kabir in 9 days. Ananya works alone for 4 days and then stops. Kabir finishes the rest. How many days does Kabir take?
  16. 16.Zoya can finish a job in 8 days and Sneha in 24 days. Zoya works alone for 2 days and then stops. Sneha finishes the rest. How many days does Sneha take?
  17. 17.Priya can finish a job in 14 days and Diya in 7 days. Priya works alone for 4 days and then stops. Diya finishes the rest. How many days does Diya take?
  18. 18.Rohan can finish a job in 30 days and Aarav in 21 days. Rohan works alone for 20 days and then stops. Aarav finishes the rest. How many days does Aarav take?
  19. 19.Ananya can finish a job in 4 days and Sneha in 12 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  20. 20.Dev works three times as fast as Rohan. Together they finish a job in 5 days. How many days would Rohan take alone?
  21. 21.Rohan can finish a job in 16 days and Aditya in 8 days. Rohan works alone for 8 days and then stops. Aditya finishes the rest. How many days does Aditya take?
  22. 22.Aditya can finish a job in 8 days and Rahul in 28 days. Aditya works alone for 2 days and then stops. Rahul finishes the rest. How many days does Rahul take?
  23. 23.Isha works twice as fast as Manav. Together they finish a job in 6 days. How many days would Manav take alone?
  24. 24.Aarav works twice as fast as Manav. Together they finish a job in 2 days. How many days would Manav take alone?
  25. 25.Kabir and Priya together finish a job in 6 days. Kabir alone takes 7 days. How many days would Priya take alone?
  26. 26.Meera can finish a job in 10 days and Karan in 30 days. Meera works alone for 8 days and then stops. Karan finishes the rest. How many days does Karan take?
  27. 27.Dev can finish a job in 17 days and Saanvi in 15 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  28. 28.Aarav can finish a job in 16 days and Pooja in 14 days. What fraction of the job do they finish if they work together for 2 days? =
  29. 29.Saanvi and Kabir together finish a job in 3 days. Saanvi alone takes 4 days. How many days would Kabir take alone?
  30. 30.Karan can finish a job in 20 days and Aditya in 16 days. Karan works alone for 15 days and then stops. Aditya finishes the rest. How many days does Aditya take?
  31. 31.Ishaan can finish a job in 4 days and Ananya in 2 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  32. 32.Arjun works three times as fast as Nisha. Together they finish a job in 5 days. How many days would Nisha take alone?
  33. 33.Isha works twice as fast as Arjun. Together they finish a job in 2 days. How many days would Arjun take alone?
  34. 34.Aarav can finish a job in 8 days and Vivaan in 10 days. What fraction of the job do they finish if they work together for 2 days? =
  35. 35.Farhan and Isha together finish a job in 4 days. Farhan alone takes 8 days. How many days would Isha take alone?
  36. 36.Karan can finish a job in 14 days and Farhan in 20 days. What fraction of the job do they finish if they work together for 3 days? =
  37. 37.Rahul and Karan together finish a job in 2 days. Rahul alone takes 3 days. How many days would Karan take alone?
  38. 38.Vivaan works twice as fast as Isha. Together they finish a job in 5 days. How many days would Isha take alone?
  39. 39.Ananya can finish a job in 20 days and Diya in 3 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  40. 40.Aditya can finish a job in 4 days and Aarav in 20 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =

Answer key

  1. 6
  2. 16
  3. 95/24
  4. 48
  5. 60/19
  6. 18
  7. 260/33
  8. 1/2
  9. 11
  10. 24
  11. 6
  12. 28
  13. 136/25
  14. 23/120
  15. 3
  16. 18
  17. 5
  18. 7
  19. 3
  20. 20
  21. 4
  22. 21
  23. 18
  24. 6
  25. 42
  26. 6
  27. 255/32
  28. 15/56
  29. 12
  30. 4
  31. 4/3
  32. 20
  33. 6
  34. 9/20
  35. 8
  36. 51/140
  37. 6
  38. 15
  39. 60/23
  40. 10/3

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