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Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 186 · 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.

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  1. 1.If 8 bottles of juice cost ₹392, how much do 7 bottles of juice cost (in ₹)?
  2. 2.A hostel has enough food for 10 students for 7 days. How many days will the same food last for 2 students?
  3. 3.If 8 kg of rice costs ₹592, how many kg can you buy for ₹148?
  4. 4.If 4 kites cost ₹208, how much do 3 kites cost (in ₹)?
  5. 5.A car goes 96 km on 4 litres of petrol. How far can it go on 5 litres (in km)?
  6. 6.A car goes 168 km on 8 litres of petrol. How far can it go on 27 litres (in km)?
  7. 7.If 4 cricket balls cost ₹68, how much do 6 cricket balls cost (in ₹)?
  8. 8.3 painters can paint a school in 14 days. How many days would 2 painters take, working at the same speed?
  9. 9.A car goes 36 km on 4 litres of petrol. How far can it go on 27 litres (in km)?
  10. 10.A car goes 64 km on 8 litres of petrol. How far can it go on 24 litres (in km)?
  11. 11.A car goes 104 km on 8 litres of petrol. How far can it go on 11 litres (in km)?
  12. 12.If 9 notebooks cost ₹99, how much do 7 notebooks cost (in ₹)?
  13. 13.If 5 kg of rice costs ₹175, how many kg can you buy for ₹140?
  14. 14.3 painters can paint a school in 14 days. How many days would 14 painters take, working at the same speed?
  15. 15.A hostel has enough food for 10 students for 20 days. How many days will the same food last for 8 students?
  16. 16.If 6 erasers cost ₹342, how much do 16 erasers cost (in ₹)?
  17. 17.A car goes 108 km on 9 litres of petrol. How far can it go on 6 litres (in km)?
  18. 18.If 9 kg of rice costs ₹594, how many kg can you buy for ₹198?
  19. 19.If 3 kites cost ₹30, how much do 16 kites cost (in ₹)?
  20. 20.If 2 kg of rice costs ₹90, how many kg can you buy for ₹180?
  21. 21.A hostel has enough food for 5 students for 11 days. How many days will the same food last for 11 students?
  22. 22.If 8 bottles of juice cost ₹328, how much do 18 bottles of juice cost (in ₹)?
  23. 23.7 painters can paint a school in 4 days. How many days would 2 painters take, working at the same speed?
  24. 24.A car goes 140 km on 10 litres of petrol. How far can it go on 8 litres (in km)?
  25. 25.A car goes 144 km on 9 litres of petrol. How far can it go on 18 litres (in km)?
  26. 26.8 painters can paint a school in 16 days. How many days would 4 painters take, working at the same speed?
  27. 27.A car goes 45 km on 5 litres of petrol. How far can it go on 40 litres (in km)?
  28. 28.If 10 erasers cost ₹340, how much do 8 erasers cost (in ₹)?
  29. 29.A car goes 150 km on 10 litres of petrol. How far can it go on 6 litres (in km)?
  30. 30.A car goes 52 km on 4 litres of petrol. How far can it go on 10 litres (in km)?
  31. 31.A car goes 190 km on 10 litres of petrol. How far can it go on 29 litres (in km)?
  32. 32.A car goes 216 km on 9 litres of petrol. How far can it go on 4 litres (in km)?
  33. 33.A car goes 170 km on 10 litres of petrol. How far can it go on 31 litres (in km)?
  34. 34.If 7 kg of rice costs ₹308, how many kg can you buy for ₹572?
  35. 35.If 2 pencil boxes cost ₹82, how much do 20 pencil boxes cost (in ₹)?
  36. 36.A car goes 50 km on 5 litres of petrol. How far can it go on 22 litres (in km)?
  37. 37.A car goes 72 km on 6 litres of petrol. How far can it go on 16 litres (in km)?
  38. 38.A hostel has enough food for 2 students for 13 days. How many days will the same food last for 13 students?
  39. 39.If 5 kg of rice costs ₹320, how many kg can you buy for ₹640?
  40. 40.If 3 kg of rice costs ₹243, how many kg can you buy for ₹405?

Answer key

  1. 343
  2. 35
  3. 2
  4. 156
  5. 120
  6. 567
  7. 102
  8. 21
  9. 243
  10. 192
  11. 143
  12. 77
  13. 4
  14. 3
  15. 25
  16. 912
  17. 72
  18. 3
  19. 160
  20. 4
  21. 5
  22. 738
  23. 14
  24. 112
  25. 288
  26. 32
  27. 360
  28. 272
  29. 90
  30. 130
  31. 551
  32. 96
  33. 527
  34. 13
  35. 820
  36. 220
  37. 192
  38. 2
  39. 10
  40. 5

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