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Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 387 · 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. 1.2 painters can paint a school in 9 days. How many days would 6 painters take, working at the same speed?
  2. 2.A car goes 120 km on 12 litres of petrol. How far can it go on 2 litres (in km)?
  3. 3.A hostel has enough food for 12 students for 4 days. How many days will the same food last for 6 students?
  4. 4.A car goes 84 km on 4 litres of petrol. How far can it go on 24 litres (in km)?
  5. 5.If 2 kg of rice costs ₹96, how many kg can you buy for ₹720?
  6. 6.A car goes 140 km on 7 litres of petrol. How far can it go on 34 litres (in km)?
  7. 7.If 6 pens cost ₹18, how much do 14 pens cost (in ₹)?
  8. 8.If 10 erasers cost ₹100, how much do 8 erasers cost (in ₹)?
  9. 9.If 6 notebooks cost ₹78, how much do 15 notebooks cost (in ₹)?
  10. 10.A hostel has enough food for 5 students for 4 days. How many days will the same food last for 10 students?
  11. 11.A car goes 154 km on 11 litres of petrol. How far can it go on 34 litres (in km)?
  12. 12.If 3 mangoes cost ₹42, how much do 2 mangoes cost (in ₹)?
  13. 13.If 2 kg of rice costs ₹116, how many kg can you buy for ₹348?
  14. 14.A car goes 66 km on 3 litres of petrol. How far can it go on 6 litres (in km)?
  15. 15.If 4 kg of rice costs ₹224, how many kg can you buy for ₹448?
  16. 16.If 5 bottles of juice cost ₹155, how much do 10 bottles of juice cost (in ₹)?
  17. 17.A hostel has enough food for 8 students for 29 days. How many days will the same food last for 4 students?
  18. 18.If 9 kg of rice costs ₹657, how many kg can you buy for ₹146?
  19. 19.If 11 pencil boxes cost ₹220, how much do 18 pencil boxes cost (in ₹)?
  20. 20.A car goes 91 km on 7 litres of petrol. How far can it go on 18 litres (in km)?
  21. 21.If 11 notebooks cost ₹319, how much do 13 notebooks cost (in ₹)?
  22. 22.A car goes 175 km on 7 litres of petrol. How far can it go on 2 litres (in km)?
  23. 23.If 7 notebooks cost ₹91, how much do 17 notebooks cost (in ₹)?
  24. 24.If 5 notebooks cost ₹100, how much do 9 notebooks cost (in ₹)?
  25. 25.If 6 kg of rice costs ₹252, how many kg can you buy for ₹126?
  26. 26.If 2 cricket balls cost ₹102, how much do 11 cricket balls cost (in ₹)?
  27. 27.A car goes 60 km on 6 litres of petrol. How far can it go on 8 litres (in km)?
  28. 28.A car goes 144 km on 6 litres of petrol. How far can it go on 30 litres (in km)?
  29. 29.If 4 kg of rice costs ₹124, how many kg can you buy for ₹465?
  30. 30.If 5 kg of rice costs ₹415, how many kg can you buy for ₹1079?
  31. 31.If 8 kg of rice costs ₹648, how many kg can you buy for ₹891?
  32. 32.If 9 kg of rice costs ₹684, how many kg can you buy for ₹988?
  33. 33.If 3 kg of rice costs ₹126, how many kg can you buy for ₹294?
  34. 34.A car goes 220 km on 11 litres of petrol. How far can it go on 27 litres (in km)?
  35. 35.If 5 kites cost ₹45, how much do 11 kites cost (in ₹)?
  36. 36.3 painters can paint a school in 12 days. How many days would 12 painters take, working at the same speed?
  37. 37.If 5 kg of rice costs ₹315, how many kg can you buy for ₹189?
  38. 38.If 7 erasers cost ₹406, how much do 9 erasers cost (in ₹)?
  39. 39.A car goes 27 km on 3 litres of petrol. How far can it go on 40 litres (in km)?
  40. 40.If 4 kites cost ₹80, how much do 18 kites cost (in ₹)?

Answer key

  1. 3
  2. 20
  3. 8
  4. 504
  5. 15
  6. 680
  7. 42
  8. 80
  9. 195
  10. 2
  11. 476
  12. 28
  13. 6
  14. 132
  15. 8
  16. 310
  17. 58
  18. 2
  19. 360
  20. 234
  21. 377
  22. 50
  23. 221
  24. 180
  25. 3
  26. 561
  27. 80
  28. 720
  29. 15
  30. 13
  31. 11
  32. 13
  33. 7
  34. 540
  35. 99
  36. 3
  37. 3
  38. 522
  39. 360
  40. 360

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