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Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 471 · 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.If 8 kg of rice costs ₹456, how many kg can you buy for ₹627?
  2. 2.A car goes 56 km on 7 litres of petrol. How far can it go on 9 litres (in km)?
  3. 3.If 8 bottles of juice cost ₹464, how much do 14 bottles of juice cost (in ₹)?
  4. 4.If 10 mangoes cost ₹230, how much do 7 mangoes cost (in ₹)?
  5. 5.7 painters can paint a school in 24 days. How many days would 14 painters take, working at the same speed?
  6. 6.A hostel has enough food for 3 students for 10 days. How many days will the same food last for 6 students?
  7. 7.6 painters can paint a school in 27 days. How many days would 18 painters take, working at the same speed?
  8. 8.A hostel has enough food for 10 students for 13 days. How many days will the same food last for 5 students?
  9. 9.A hostel has enough food for 12 students for 7 days. How many days will the same food last for 3 students?
  10. 10.If 2 mangoes cost ₹22, how much do 5 mangoes cost (in ₹)?
  11. 11.A car goes 48 km on 6 litres of petrol. How far can it go on 13 litres (in km)?
  12. 12.If 5 erasers cost ₹125, how much do 7 erasers cost (in ₹)?
  13. 13.A hostel has enough food for 8 students for 30 days. How many days will the same food last for 12 students?
  14. 14.A hostel has enough food for 3 students for 20 days. How many days will the same food last for 4 students?
  15. 15.A car goes 90 km on 9 litres of petrol. How far can it go on 32 litres (in km)?
  16. 16.A hostel has enough food for 3 students for 11 days. How many days will the same food last for 11 students?
  17. 17.If 2 kg of rice costs ₹130, how many kg can you buy for ₹455?
  18. 18.If 7 erasers cost ₹266, how much do 11 erasers cost (in ₹)?
  19. 19.4 painters can paint a school in 17 days. How many days would 2 painters take, working at the same speed?
  20. 20.If 6 kg of rice costs ₹528, how many kg can you buy for ₹440?
  21. 21.A car goes 300 km on 12 litres of petrol. How far can it go on 9 litres (in km)?
  22. 22.A hostel has enough food for 3 students for 15 days. How many days will the same food last for 15 students?
  23. 23.A hostel has enough food for 3 students for 10 days. How many days will the same food last for 2 students?
  24. 24.11 painters can paint a school in 12 days. How many days would 22 painters take, working at the same speed?
  25. 25.2 painters can paint a school in 11 days. How many days would 11 painters take, working at the same speed?
  26. 26.If 7 cricket balls cost ₹21, how much do 14 cricket balls cost (in ₹)?
  27. 27.If 4 kg of rice costs ₹104, how many kg can you buy for ₹52?
  28. 28.A hostel has enough food for 2 students for 18 days. How many days will the same food last for 3 students?
  29. 29.A hostel has enough food for 10 students for 11 days. How many days will the same food last for 22 students?
  30. 30.If 3 pencil boxes cost ₹78, how much do 20 pencil boxes cost (in ₹)?
  31. 31.If 9 kg of rice costs ₹801, how many kg can you buy for ₹1246?
  32. 32.If 2 bottles of juice cost ₹102, how much do 4 bottles of juice cost (in ₹)?
  33. 33.A car goes 128 km on 8 litres of petrol. How far can it go on 18 litres (in km)?
  34. 34.A car goes 300 km on 12 litres of petrol. How far can it go on 14 litres (in km)?
  35. 35.If 11 notebooks cost ₹583, how much do 14 notebooks cost (in ₹)?
  36. 36.If 9 notebooks cost ₹432, how much do 11 notebooks cost (in ₹)?
  37. 37.11 painters can paint a school in 28 days. How many days would 7 painters take, working at the same speed?
  38. 38.4 painters can paint a school in 19 days. How many days would 19 painters take, working at the same speed?
  39. 39.A hostel has enough food for 10 students for 16 days. How many days will the same food last for 4 students?
  40. 40.9 painters can paint a school in 16 days. How many days would 4 painters take, working at the same speed?

Answer key

  1. 11
  2. 72
  3. 812
  4. 161
  5. 12
  6. 5
  7. 9
  8. 26
  9. 28
  10. 55
  11. 104
  12. 175
  13. 20
  14. 15
  15. 320
  16. 3
  17. 7
  18. 418
  19. 34
  20. 5
  21. 225
  22. 3
  23. 15
  24. 6
  25. 2
  26. 42
  27. 2
  28. 12
  29. 5
  30. 520
  31. 14
  32. 204
  33. 288
  34. 350
  35. 742
  36. 528
  37. 44
  38. 4
  39. 40
  40. 36

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