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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 963 · 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. 1.15% of a number is 21. What is the number?
  2. 2.80% of a number is 148. What is the number?
  3. 3.15% of a number is 33. What is the number?
  4. 4.80% of a number is 196. What is the number?
  5. 5.Dev spent ₹260, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  6. 6.69 is 60% of ?
  7. 7.60% of a number is 48. What is the number?
  8. 8.3 is 12% of ?
  9. 9.20% of a number is 5. What is the number?
  10. 10.Meera spent ₹6, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  11. 11.Dev spent ₹33, which is 12% of the pocket money. How much pocket money did Dev have, in rupees?
  12. 12.20% of a number is 71. What is the number?
  13. 13.9 is 12% of ?
  14. 14.2 is 40% of ?
  15. 15.12% of a number is 15. What is the number?
  16. 16.50% of a number is 188. What is the number?
  17. 17.25% of a number is 81. What is the number?
  18. 18.Rohan spent ₹47, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  19. 19.Arjun spent ₹225, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  20. 20.Rohan spent ₹63, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  21. 21.Riya spent ₹136, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  22. 22.12% of a number is 30. What is the number?
  23. 23.26 is 20% of ?
  24. 24.75% of a number is 135. What is the number?
  25. 25.Aarav spent ₹1, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  26. 26.48 is 40% of ?
  27. 27.15% of a number is 57. What is the number?
  28. 28.18 is 5% of ?
  29. 29.12% of a number is 42. What is the number?
  30. 30.Riya spent ₹219, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  31. 31.Isha spent ₹6, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  32. 32.Kabir spent ₹13, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  33. 33.30% of a number is 18. What is the number?
  34. 34.Riya spent ₹95, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  35. 35.90 is 25% of ?
  36. 36.63 is 30% of ?
  37. 37.144 is 75% of ?
  38. 38.15% of a number is 36. What is the number?
  39. 39.25% of a number is 23. What is the number?
  40. 40.Aarav spent ₹3, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?

Answer key

  1. 140
  2. 185
  3. 220
  4. 245
  5. 325
  6. 115
  7. 80
  8. 25
  9. 25
  10. 60
  11. 275
  12. 355
  13. 75
  14. 5
  15. 125
  16. 376
  17. 324
  18. 235
  19. 300
  20. 315
  21. 272
  22. 250
  23. 130
  24. 180
  25. 10
  26. 120
  27. 380
  28. 360
  29. 350
  30. 292
  31. 40
  32. 260
  33. 60
  34. 380
  35. 360
  36. 210
  37. 192
  38. 240
  39. 92
  40. 5

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