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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 438 · 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.

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  1. 1.60% of a number is 123. What is the number?
  2. 2.Riya spent ₹72, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  3. 3.189 is 75% of ?
  4. 4.Riya spent ₹36, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  5. 5.Dev spent ₹2, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  6. 6.40% of a number is 92. What is the number?
  7. 7.10% of a number is 39. What is the number?
  8. 8.Aarav spent ₹21, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  9. 9.Diya spent ₹240, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  10. 10.Meera spent ₹9, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  11. 11.46 is 25% of ?
  12. 12.Aarav spent ₹268, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  13. 13.60% of a number is 234. What is the number?
  14. 14.17 is 25% of ?
  15. 15.102 is 60% of ?
  16. 16.10% of a number is 19. What is the number?
  17. 17.75% of a number is 78. What is the number?
  18. 18.Diya spent ₹117, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  19. 19.25% of a number is 41. What is the number?
  20. 20.10% of a number is 8. What is the number?
  21. 21.83 is 25% of ?
  22. 22.3 is 5% of ?
  23. 23.Sara spent ₹152, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  24. 24.Anaya spent ₹114, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  25. 25.Aarav spent ₹36, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  26. 26.Anaya spent ₹5, which is 5% of the pocket money. How much pocket money did Anaya have, in rupees?
  27. 27.Meera spent ₹200, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  28. 28.88 is 40% of ?
  29. 29.36 is 30% of ?
  30. 30.48 is 30% of ?
  31. 31.16 is 5% of ?
  32. 32.6 is 5% of ?
  33. 33.Isha spent ₹45, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  34. 34.83 is 50% of ?
  35. 35.Dev spent ₹42, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  36. 36.80% of a number is 180. What is the number?
  37. 37.75% of a number is 216. What is the number?
  38. 38.168 is 80% of ?
  39. 39.Anaya spent ₹3, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  40. 40.75% of a number is 63. What is the number?

Answer key

  1. 205
  2. 240
  3. 252
  4. 45
  5. 10
  6. 230
  7. 390
  8. 140
  9. 400
  10. 180
  11. 184
  12. 335
  13. 390
  14. 68
  15. 170
  16. 190
  17. 104
  18. 390
  19. 164
  20. 80
  21. 332
  22. 60
  23. 304
  24. 380
  25. 72
  26. 100
  27. 250
  28. 220
  29. 120
  30. 160
  31. 320
  32. 120
  33. 180
  34. 166
  35. 140
  36. 225
  37. 288
  38. 210
  39. 25
  40. 84

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