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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 520 · 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. 1.26 is 10% of ?
  2. 2.93 is 60% of ?
  3. 3.6 is 12% of ?
  4. 4.Sara spent ₹18, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  5. 5.87 is 30% of ?
  6. 6.5% of a number is 2. What is the number?
  7. 7.Sara spent ₹123, which is 60% of the pocket money. How much pocket money did Sara have, in rupees?
  8. 8.15% of a number is 36. What is the number?
  9. 9.12% of a number is 12. What is the number?
  10. 10.25% of a number is 73. What is the number?
  11. 11.80% of a number is 304. What is the number?
  12. 12.80% of a number is 140. What is the number?
  13. 13.Aarav spent ₹51, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  14. 14.25% of a number is 80. What is the number?
  15. 15.96 is 40% of ?
  16. 16.10% of a number is 5. What is the number?
  17. 17.Diya spent ₹45, which is 20% of the pocket money. How much pocket money did Diya have, in rupees?
  18. 18.297 is 75% of ?
  19. 19.75 is 30% of ?
  20. 20.12% of a number is 3. What is the number?
  21. 21.50% of a number is 145. What is the number?
  22. 22.56 is 20% of ?
  23. 23.Diya spent ₹117, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  24. 24.25% of a number is 14. What is the number?
  25. 25.Aarav spent ₹54, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  26. 26.Isha spent ₹10, which is 5% of the pocket money. How much pocket money did Isha have, in rupees?
  27. 27.60% of a number is 117. What is the number?
  28. 28.Sara spent ₹60, which is 60% of the pocket money. How much pocket money did Sara have, in rupees?
  29. 29.Aarav spent ₹74, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  30. 30.159 is 60% of ?
  31. 31.147 is 60% of ?
  32. 32.Sara spent ₹11, which is 5% of the pocket money. How much pocket money did Sara have, in rupees?
  33. 33.184 is 80% of ?
  34. 34.10% of a number is 1. What is the number?
  35. 35.15% of a number is 27. What is the number?
  36. 36.80% of a number is 104. What is the number?
  37. 37.60% of a number is 48. What is the number?
  38. 38.80% of a number is 16. What is the number?
  39. 39.Meera spent ₹30, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  40. 40.Anaya spent ₹3, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?

Answer key

  1. 260
  2. 155
  3. 50
  4. 72
  5. 290
  6. 40
  7. 205
  8. 240
  9. 100
  10. 292
  11. 380
  12. 175
  13. 340
  14. 320
  15. 240
  16. 50
  17. 225
  18. 396
  19. 250
  20. 25
  21. 290
  22. 280
  23. 195
  24. 56
  25. 360
  26. 200
  27. 195
  28. 100
  29. 370
  30. 265
  31. 245
  32. 220
  33. 230
  34. 10
  35. 180
  36. 130
  37. 80
  38. 20
  39. 300
  40. 10

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