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Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 113 · 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. 1.3 painters can paint a school in 6 days. How many days would 9 painters take, working at the same speed?
  2. 2.A hostel has enough food for 3 students for 4 days. How many days will the same food last for 2 students?
  3. 3.If 11 kites cost ₹165, how much do 18 kites cost (in ₹)?
  4. 4.A car goes 253 km on 11 litres of petrol. How far can it go on 31 litres (in km)?
  5. 5.A car goes 80 km on 8 litres of petrol. How far can it go on 29 litres (in km)?
  6. 6.A hostel has enough food for 8 students for 17 days. How many days will the same food last for 17 students?
  7. 7.If 4 kg of rice costs ₹136, how many kg can you buy for ₹204?
  8. 8.2 painters can paint a school in 13 days. How many days would 13 painters take, working at the same speed?
  9. 9.8 painters can paint a school in 20 days. How many days would 10 painters take, working at the same speed?
  10. 10.If 5 erasers cost ₹55, how much do 13 erasers cost (in ₹)?
  11. 11.A car goes 288 km on 12 litres of petrol. How far can it go on 27 litres (in km)?
  12. 12.2 painters can paint a school in 18 days. How many days would 3 painters take, working at the same speed?
  13. 13.A hostel has enough food for 8 students for 22 days. How many days will the same food last for 11 students?
  14. 14.If 12 pencil boxes cost ₹456, how much do 8 pencil boxes cost (in ₹)?
  15. 15.A hostel has enough food for 4 students for 4 days. How many days will the same food last for 2 students?
  16. 16.A car goes 80 km on 8 litres of petrol. How far can it go on 4 litres (in km)?
  17. 17.If 10 cricket balls cost ₹400, how much do 11 cricket balls cost (in ₹)?
  18. 18.If 8 kg of rice costs ₹368, how many kg can you buy for ₹506?
  19. 19.A car goes 30 km on 2 litres of petrol. How far can it go on 24 litres (in km)?
  20. 20.If 5 pencil boxes cost ₹25, how much do 8 pencil boxes cost (in ₹)?
  21. 21.12 painters can paint a school in 5 days. How many days would 15 painters take, working at the same speed?
  22. 22.A car goes 104 km on 8 litres of petrol. How far can it go on 12 litres (in km)?
  23. 23.If 6 notebooks cost ₹96, how much do 14 notebooks cost (in ₹)?
  24. 24.If 10 bottles of juice cost ₹340, how much do 17 bottles of juice cost (in ₹)?
  25. 25.A hostel has enough food for 2 students for 25 days. How many days will the same food last for 10 students?
  26. 26.4 painters can paint a school in 7 days. How many days would 7 painters take, working at the same speed?
  27. 27.A hostel has enough food for 9 students for 5 days. How many days will the same food last for 5 students?
  28. 28.If 10 pencil boxes cost ₹530, how much do 16 pencil boxes cost (in ₹)?
  29. 29.A car goes 50 km on 5 litres of petrol. How far can it go on 16 litres (in km)?
  30. 30.A car goes 54 km on 6 litres of petrol. How far can it go on 21 litres (in km)?
  31. 31.A car goes 144 km on 12 litres of petrol. How far can it go on 34 litres (in km)?
  32. 32.If 5 kg of rice costs ₹295, how many kg can you buy for ₹590?
  33. 33.A hostel has enough food for 10 students for 27 days. How many days will the same food last for 5 students?
  34. 34.3 painters can paint a school in 19 days. How many days would 19 painters take, working at the same speed?
  35. 35.4 painters can paint a school in 15 days. How many days would 2 painters take, working at the same speed?
  36. 36.If 3 kg of rice costs ₹219, how many kg can you buy for ₹803?
  37. 37.2 painters can paint a school in 4 days. How many days would 4 painters take, working at the same speed?
  38. 38.A car goes 264 km on 12 litres of petrol. How far can it go on 10 litres (in km)?
  39. 39.If 10 bottles of juice cost ₹430, how much do 18 bottles of juice cost (in ₹)?
  40. 40.A car goes 228 km on 12 litres of petrol. How far can it go on 5 litres (in km)?

Answer key

  1. 2
  2. 6
  3. 270
  4. 713
  5. 290
  6. 8
  7. 6
  8. 2
  9. 16
  10. 143
  11. 648
  12. 12
  13. 16
  14. 304
  15. 8
  16. 40
  17. 440
  18. 11
  19. 360
  20. 40
  21. 4
  22. 156
  23. 224
  24. 578
  25. 5
  26. 4
  27. 9
  28. 848
  29. 160
  30. 189
  31. 408
  32. 10
  33. 54
  34. 3
  35. 30
  36. 11
  37. 2
  38. 220
  39. 774
  40. 95

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