← Time and work lesson New set →

Time and Work Worksheet

Quantitative aptitude lesson 19: Time and work · Set 344 · 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.Arjun can finish a job in 6 days and Vivaan in 4 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  2. 2.Sneha works three times as fast as Saanvi. Together they finish a job in 10 days. How many days would Saanvi take alone?
  3. 3.Rahul and Nisha together finish a job in 6 days. Rahul alone takes 8 days. How many days would Nisha take alone?
  4. 4.Ananya and Ishaan together finish a job in 15 days. Ananya alone takes 30 days. How many days would Ishaan take alone?
  5. 5.Aditya can finish a job in 8 days and Dev in 16 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  6. 6.Sneha can finish a job in 17 days and Priya in 20 days. What fraction of the job do they finish if they work together for 1 day? =
  7. 7.Aditya can finish a job in 7 days and Ananya in 28 days. Aditya works alone for 6 days and then stops. Ananya finishes the rest. How many days does Ananya take?
  8. 8.Pooja can finish a job in 6 days and Manav in 30 days. Pooja works alone for 5 days and then stops. Manav finishes the rest. How many days does Manav take?
  9. 9.Aditya can finish a job in 10 days and Arjun in 30 days. Aditya works alone for 7 days and then stops. Arjun finishes the rest. How many days does Arjun take?
  10. 10.Priya can finish a job in 11 days and Tara in 18 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  11. 11.Aarav can finish a job in 6 days and Zoya in 24 days. Aarav works alone for 1 day and then stops. Zoya finishes the rest. How many days does Zoya take?
  12. 12.Diya can finish a job in 16 days and Manav in 3 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  13. 13.Saanvi works twice as fast as Arjun. Together they finish a job in 10 days. How many days would Arjun take alone?
  14. 14.Ananya can finish a job in 30 days and Isha in 20 days. Ananya works alone for 27 days and then stops. Isha finishes the rest. How many days does Isha take?
  15. 15.Farhan can finish a job in 13 days and Arjun in 26 days. Farhan works alone for 6 days and then stops. Arjun finishes the rest. How many days does Arjun take?
  16. 16.Isha can finish a job in 6 days and Aditya in 21 days. Isha works alone for 4 days and then stops. Aditya finishes the rest. How many days does Aditya take?
  17. 17.Pooja can finish a job in 14 days and Zoya in 15 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  18. 18.Dev can finish a job in 21 days and Saanvi in 18 days. Dev works alone for 14 days and then stops. Saanvi finishes the rest. How many days does Saanvi take?
  19. 19.Aditya can finish a job in 18 days and Rohan in 9 days. Aditya works alone for 4 days and then stops. Rohan finishes the rest. How many days does Rohan take?
  20. 20.Rohan and Nisha together finish a job in 2 days. Rohan alone takes 3 days. How many days would Nisha take alone?
  21. 21.Ananya can finish a job in 20 days and Dev in 11 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  22. 22.Sneha can finish a job in 20 days and Aditya in 8 days. What fraction of the job do they finish if they work together for 1 day? =
  23. 23.Ananya works twice as fast as Sneha. Together they finish a job in 3 days. How many days would Sneha take alone?
  24. 24.Aarav can finish a job in 6 days and Dev in 12 days. Aarav works alone for 4 days and then stops. Dev finishes the rest. How many days does Dev take?
  25. 25.Dev works three times as fast as Kavya. Together they finish a job in 10 days. How many days would Kavya take alone?
  26. 26.Farhan can finish a job in 4 days and Kabir in 24 days. Farhan works alone for 1 day and then stops. Kabir finishes the rest. How many days does Kabir take?
  27. 27.Kabir works twice as fast as Vivaan. Together they finish a job in 8 days. How many days would Vivaan take alone?
  28. 28.Kavya can finish a job in 4 days and Rohan in 8 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  29. 29.Arjun can finish a job in 20 days and Vivaan in 9 days. What fraction of the job do they finish if they work together for 1 day? =
  30. 30.Kabir can finish a job in 20 days and Ananya in 9 days. What fraction of the job do they finish if they work together for 2 days? =
  31. 31.Sneha works three times as fast as Rahul. Together they finish a job in 8 days. How many days would Rahul take alone?
  32. 32.Pooja and Vivaan together finish a job in 7 days. Pooja alone takes 8 days. How many days would Vivaan take alone?
  33. 33.Rohan works twice as fast as Ananya. Together they finish a job in 8 days. How many days would Ananya take alone?
  34. 34.Saanvi and Manav together finish a job in 4 days. Saanvi alone takes 5 days. How many days would Manav take alone?
  35. 35.Kabir works twice as fast as Farhan. Together they finish a job in 2 days. How many days would Farhan take alone?
  36. 36.Nisha can finish a job in 10 days and Manav in 8 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  37. 37.Manav can finish a job in 6 days and Dev in 10 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  38. 38.Sneha and Manav together finish a job in 14 days. Sneha alone takes 18 days. How many days would Manav take alone?
  39. 39.Zoya can finish a job in 6 days and Meera in 20 days. What fraction of the job do they finish if they work together for 3 days? =
  40. 40.Isha can finish a job in 12 days and Vivaan in 6 days. Isha works alone for 2 days and then stops. Vivaan finishes the rest. How many days does Vivaan take?

Answer key

  1. 12/5
  2. 40
  3. 24
  4. 30
  5. 16/3
  6. 37/340
  7. 4
  8. 5
  9. 9
  10. 198/29
  11. 20
  12. 48/19
  13. 30
  14. 2
  15. 14
  16. 7
  17. 210/29
  18. 6
  19. 7
  20. 6
  21. 220/31
  22. 7/40
  23. 9
  24. 4
  25. 40
  26. 18
  27. 24
  28. 8/3
  29. 29/180
  30. 29/90
  31. 32
  32. 56
  33. 24
  34. 20
  35. 6
  36. 40/9
  37. 15/4
  38. 63
  39. 13/20
  40. 5

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