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Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 175 · 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 9 pencil boxes cost ₹189, how much do 6 pencil boxes cost (in ₹)?
  2. 2.A hostel has enough food for 4 students for 16 days. How many days will the same food last for 8 students?
  3. 3.A hostel has enough food for 7 students for 19 days. How many days will the same food last for 19 students?
  4. 4.8 painters can paint a school in 21 days. How many days would 4 painters take, working at the same speed?
  5. 5.If 6 kg of rice costs ₹420, how many kg can you buy for ₹560?
  6. 6.If 9 erasers cost ₹522, how much do 13 erasers cost (in ₹)?
  7. 7.A hostel has enough food for 9 students for 5 days. How many days will the same food last for 3 students?
  8. 8.A car goes 132 km on 6 litres of petrol. How far can it go on 5 litres (in km)?
  9. 9.If 11 notebooks cost ₹209, how much do 15 notebooks cost (in ₹)?
  10. 10.A car goes 36 km on 3 litres of petrol. How far can it go on 13 litres (in km)?
  11. 11.6 painters can paint a school in 23 days. How many days would 3 painters take, working at the same speed?
  12. 12.If 2 kg of rice costs ₹154, how many kg can you buy for ₹693?
  13. 13.If 3 kg of rice costs ₹63, how many kg can you buy for ₹105?
  14. 14.A car goes 192 km on 8 litres of petrol. How far can it go on 16 litres (in km)?
  15. 15.If 5 kg of rice costs ₹185, how many kg can you buy for ₹259?
  16. 16.If 11 pencil boxes cost ₹352, how much do 13 pencil boxes cost (in ₹)?
  17. 17.A hostel has enough food for 8 students for 26 days. How many days will the same food last for 13 students?
  18. 18.A hostel has enough food for 11 students for 15 days. How many days will the same food last for 15 students?
  19. 19.If 2 kg of rice costs ₹110, how many kg can you buy for ₹605?
  20. 20.A hostel has enough food for 6 students for 15 days. How many days will the same food last for 10 students?
  21. 21.A car goes 70 km on 7 litres of petrol. How far can it go on 11 litres (in km)?
  22. 22.A hostel has enough food for 4 students for 10 days. How many days will the same food last for 2 students?
  23. 23.A hostel has enough food for 8 students for 18 days. How many days will the same food last for 16 students?
  24. 24.8 painters can paint a school in 19 days. How many days would 4 painters take, working at the same speed?
  25. 25.If 7 kg of rice costs ₹511, how many kg can you buy for ₹438?
  26. 26.If 6 kg of rice costs ₹216, how many kg can you buy for ₹432?
  27. 27.If 2 mangoes cost ₹66, how much do 10 mangoes cost (in ₹)?
  28. 28.If 7 kg of rice costs ₹490, how many kg can you buy for ₹1050?
  29. 29.If 4 kg of rice costs ₹144, how many kg can you buy for ₹540?
  30. 30.If 7 pens cost ₹154, how much do 19 pens cost (in ₹)?
  31. 31.A hostel has enough food for 4 students for 5 days. How many days will the same food last for 5 students?
  32. 32.A car goes 168 km on 8 litres of petrol. How far can it go on 24 litres (in km)?
  33. 33.11 painters can paint a school in 18 days. How many days would 6 painters take, working at the same speed?
  34. 34.A hostel has enough food for 6 students for 17 days. How many days will the same food last for 2 students?
  35. 35.9 painters can paint a school in 9 days. How many days would 3 painters take, working at the same speed?
  36. 36.If 6 kg of rice costs ₹240, how many kg can you buy for ₹160?
  37. 37.A hostel has enough food for 8 students for 19 days. How many days will the same food last for 4 students?
  38. 38.7 painters can paint a school in 10 days. How many days would 2 painters take, working at the same speed?
  39. 39.If 10 kites cost ₹60, how much do 9 kites cost (in ₹)?
  40. 40.A hostel has enough food for 9 students for 20 days. How many days will the same food last for 6 students?

Answer key

  1. 126
  2. 8
  3. 7
  4. 42
  5. 8
  6. 754
  7. 15
  8. 110
  9. 285
  10. 156
  11. 46
  12. 9
  13. 5
  14. 384
  15. 7
  16. 416
  17. 16
  18. 11
  19. 11
  20. 9
  21. 110
  22. 20
  23. 9
  24. 38
  25. 6
  26. 12
  27. 330
  28. 15
  29. 15
  30. 418
  31. 4
  32. 504
  33. 33
  34. 51
  35. 27
  36. 4
  37. 38
  38. 35
  39. 54
  40. 30

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