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Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 231 · 40 questions
TalentJR

The method (Go through one): Find the value of one: divide. Multiply by the number you need. Inverse (more workers → fewer days): multiply first to find the total work, then divide.

NameDateTime takenScore ___ / 40
  1. 1.A hostel has enough food for 4 students for 20 days. How many days will the same food last for 10 students?
  2. 2.If 5 kites cost ₹155, how much do 8 kites cost (in ₹)?
  3. 3.If 3 bottles of juice cost ₹180, how much do 5 bottles of juice cost (in ₹)?
  4. 4.A car goes 230 km on 10 litres of petrol. How far can it go on 28 litres (in km)?
  5. 5.A car goes 36 km on 2 litres of petrol. How far can it go on 33 litres (in km)?
  6. 6.A hostel has enough food for 10 students for 9 days. How many days will the same food last for 2 students?
  7. 7.A car goes 24 km on 2 litres of petrol. How far can it go on 28 litres (in km)?
  8. 8.If 5 cricket balls cost ₹35, how much do 3 cricket balls cost (in ₹)?
  9. 9.If 5 kg of rice costs ₹130, how many kg can you buy for ₹208?
  10. 10.If 4 kg of rice costs ₹236, how many kg can you buy for ₹295?
  11. 11.If 8 kg of rice costs ₹272, how many kg can you buy for ₹442?
  12. 12.A car goes 78 km on 6 litres of petrol. How far can it go on 22 litres (in km)?
  13. 13.If 2 mangoes cost ₹108, how much do 17 mangoes cost (in ₹)?
  14. 14.If 7 kg of rice costs ₹630, how many kg can you buy for ₹1080?
  15. 15.A car goes 63 km on 7 litres of petrol. How far can it go on 13 litres (in km)?
  16. 16.A car goes 117 km on 9 litres of petrol. How far can it go on 31 litres (in km)?
  17. 17.A car goes 64 km on 8 litres of petrol. How far can it go on 17 litres (in km)?
  18. 18.If 4 pencil boxes cost ₹128, how much do 6 pencil boxes cost (in ₹)?
  19. 19.A car goes 132 km on 11 litres of petrol. How far can it go on 6 litres (in km)?
  20. 20.A hostel has enough food for 2 students for 18 days. How many days will the same food last for 4 students?
  21. 21.If 3 kites cost ₹81, how much do 9 kites cost (in ₹)?
  22. 22.If 5 notebooks cost ₹155, how much do 3 notebooks cost (in ₹)?
  23. 23.5 painters can paint a school in 12 days. How many days would 2 painters take, working at the same speed?
  24. 24.If 7 mangoes cost ₹133, how much do 9 mangoes cost (in ₹)?
  25. 25.7 painters can paint a school in 8 days. How many days would 8 painters take, working at the same speed?
  26. 26.If 5 pens cost ₹240, how much do 20 pens cost (in ₹)?
  27. 27.A car goes 180 km on 12 litres of petrol. How far can it go on 33 litres (in km)?
  28. 28.If 7 kg of rice costs ₹385, how many kg can you buy for ₹275?
  29. 29.If 6 kg of rice costs ₹354, how many kg can you buy for ₹177?
  30. 30.A car goes 147 km on 7 litres of petrol. How far can it go on 39 litres (in km)?
  31. 31.If 6 pens cost ₹354, how much do 15 pens cost (in ₹)?
  32. 32.If 7 kg of rice costs ₹476, how many kg can you buy for ₹408?
  33. 33.A car goes 84 km on 4 litres of petrol. How far can it go on 7 litres (in km)?
  34. 34.If 2 bottles of juice cost ₹8, how much do 7 bottles of juice cost (in ₹)?
  35. 35.If 6 kg of rice costs ₹384, how many kg can you buy for ₹896?
  36. 36.If 3 pens cost ₹54, how much do 11 pens cost (in ₹)?
  37. 37.If 10 kites cost ₹440, how much do 8 kites cost (in ₹)?
  38. 38.If 5 kites cost ₹210, how much do 19 kites cost (in ₹)?
  39. 39.If 7 notebooks cost ₹203, how much do 20 notebooks cost (in ₹)?
  40. 40.If 7 kg of rice costs ₹301, how many kg can you buy for ₹129?

Answer key

  1. 8
  2. 248
  3. 300
  4. 644
  5. 594
  6. 45
  7. 336
  8. 21
  9. 8
  10. 5
  11. 13
  12. 286
  13. 918
  14. 12
  15. 117
  16. 403
  17. 136
  18. 192
  19. 72
  20. 9
  21. 243
  22. 93
  23. 30
  24. 171
  25. 7
  26. 960
  27. 495
  28. 5
  29. 3
  30. 819
  31. 885
  32. 6
  33. 147
  34. 28
  35. 14
  36. 198
  37. 352
  38. 798
  39. 580
  40. 3

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