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Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 40 · 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 3 students for 18 days. How many days will the same food last for 2 students?
  2. 2.If 2 kg of rice costs ₹76, how many kg can you buy for ₹228?
  3. 3.A hostel has enough food for 2 students for 23 days. How many days will the same food last for 23 students?
  4. 4.If 5 kg of rice costs ₹200, how many kg can you buy for ₹80?
  5. 5.If 9 kg of rice costs ₹450, how many kg can you buy for ₹650?
  6. 6.If 8 mangoes cost ₹64, how much do 10 mangoes cost (in ₹)?
  7. 7.2 painters can paint a school in 22 days. How many days would 22 painters take, working at the same speed?
  8. 8.A car goes 300 km on 12 litres of petrol. How far can it go on 13 litres (in km)?
  9. 9.If 6 notebooks cost ₹360, how much do 2 notebooks cost (in ₹)?
  10. 10.A hostel has enough food for 4 students for 10 days. How many days will the same food last for 2 students?
  11. 11.8 painters can paint a school in 23 days. How many days would 23 painters take, working at the same speed?
  12. 12.If 6 kg of rice costs ₹210, how many kg can you buy for ₹245?
  13. 13.If 4 erasers cost ₹84, how much do 18 erasers cost (in ₹)?
  14. 14.6 painters can paint a school in 6 days. How many days would 12 painters take, working at the same speed?
  15. 15.If 2 pencil boxes cost ₹34, how much do 5 pencil boxes cost (in ₹)?
  16. 16.If 2 kg of rice costs ₹144, how many kg can you buy for ₹576?
  17. 17.If 6 kg of rice costs ₹330, how many kg can you buy for ₹110?
  18. 18.A car goes 50 km on 5 litres of petrol. How far can it go on 6 litres (in km)?
  19. 19.A car goes 160 km on 8 litres of petrol. How far can it go on 2 litres (in km)?
  20. 20.If 3 kg of rice costs ₹102, how many kg can you buy for ₹306?
  21. 21.If 11 cricket balls cost ₹308, how much do 3 cricket balls cost (in ₹)?
  22. 22.If 7 pencil boxes cost ₹91, how much do 2 pencil boxes cost (in ₹)?
  23. 23.If 6 kg of rice costs ₹396, how many kg can you buy for ₹792?
  24. 24.If 11 notebooks cost ₹110, how much do 16 notebooks cost (in ₹)?
  25. 25.8 painters can paint a school in 24 days. How many days would 4 painters take, working at the same speed?
  26. 26.If 10 mangoes cost ₹350, how much do 18 mangoes cost (in ₹)?
  27. 27.If 6 kg of rice costs ₹384, how many kg can you buy for ₹128?
  28. 28.A car goes 160 km on 8 litres of petrol. How far can it go on 22 litres (in km)?
  29. 29.If 2 kg of rice costs ₹144, how many kg can you buy for ₹360?
  30. 30.If 7 kg of rice costs ₹476, how many kg can you buy for ₹1020?
  31. 31.If 5 notebooks cost ₹170, how much do 16 notebooks cost (in ₹)?
  32. 32.A hostel has enough food for 6 students for 21 days. How many days will the same food last for 3 students?
  33. 33.If 6 kg of rice costs ₹132, how many kg can you buy for ₹154?
  34. 34.A car goes 85 km on 5 litres of petrol. How far can it go on 9 litres (in km)?
  35. 35.4 painters can paint a school in 18 days. How many days would 12 painters take, working at the same speed?
  36. 36.If 3 kg of rice costs ₹111, how many kg can you buy for ₹370?
  37. 37.If 8 kg of rice costs ₹552, how many kg can you buy for ₹414?
  38. 38.If 8 kg of rice costs ₹312, how many kg can you buy for ₹273?
  39. 39.If 4 kg of rice costs ₹316, how many kg can you buy for ₹474?
  40. 40.A hostel has enough food for 3 students for 21 days. How many days will the same food last for 7 students?

Answer key

  1. 27
  2. 6
  3. 2
  4. 2
  5. 13
  6. 80
  7. 2
  8. 325
  9. 120
  10. 20
  11. 8
  12. 7
  13. 378
  14. 3
  15. 85
  16. 8
  17. 2
  18. 60
  19. 40
  20. 9
  21. 84
  22. 26
  23. 12
  24. 160
  25. 48
  26. 630
  27. 2
  28. 440
  29. 5
  30. 15
  31. 544
  32. 42
  33. 7
  34. 153
  35. 6
  36. 10
  37. 6
  38. 7
  39. 6
  40. 9

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