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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 675 · 40 questions
TalentJR

How to work it out (Back to 100%): Write what you know: p% is a. The whole (100%) = a × 100 ÷ p. Check: p% of your answer must give a back.

NameDateTime takenScore ___ / 40
  1. 1.80% of a number is 304. What is the number?
  2. 2.50% of a number is 9. What is the number?
  3. 3.60% of a number is 216. What is the number?
  4. 4.20% of a number is 2. What is the number?
  5. 5.Ishaan spent ₹42, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  6. 6.Sara spent ₹34, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  7. 7.160 is 50% of ?
  8. 8.40% of a number is 66. What is the number?
  9. 9.Arjun spent ₹42, which is 60% of the pocket money. How much pocket money did Arjun have, in rupees?
  10. 10.5% of a number is 3. What is the number?
  11. 11.42 is 40% of ?
  12. 12.45 is 15% of ?
  13. 13.84 is 75% of ?
  14. 14.Diya spent ₹6, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  15. 15.12 is 60% of ?
  16. 16.15% of a number is 39. What is the number?
  17. 17.60% of a number is 39. What is the number?
  18. 18.21 is 75% of ?
  19. 19.Isha spent ₹18, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?
  20. 20.80% of a number is 188. What is the number?
  21. 21.87 is 50% of ?
  22. 22.Rohan spent ₹12, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  23. 23.30 is 20% of ?
  24. 24.12 is 5% of ?
  25. 25.Riya spent ₹36, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  26. 26.20 is 40% of ?
  27. 27.Riya spent ₹21, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  28. 28.Diya spent ₹3, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  29. 29.20% of a number is 1. What is the number?
  30. 30.320 is 80% of ?
  31. 31.Kabir spent ₹177, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  32. 32.Kabir spent ₹27, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?
  33. 33.25% of a number is 70. What is the number?
  34. 34.12% of a number is 30. What is the number?
  35. 35.15% of a number is 60. What is the number?
  36. 36.Ishaan spent ₹112, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  37. 37.120 is 75% of ?
  38. 38.21 is 10% of ?
  39. 39.Aarav spent ₹16, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  40. 40.130 is 40% of ?

Answer key

  1. 380
  2. 18
  3. 360
  4. 10
  5. 280
  6. 68
  7. 320
  8. 165
  9. 70
  10. 60
  11. 105
  12. 300
  13. 112
  14. 60
  15. 20
  16. 260
  17. 65
  18. 28
  19. 150
  20. 235
  21. 174
  22. 120
  23. 150
  24. 240
  25. 120
  26. 50
  27. 84
  28. 25
  29. 5
  30. 400
  31. 295
  32. 225
  33. 280
  34. 250
  35. 400
  36. 140
  37. 160
  38. 210
  39. 64
  40. 325

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