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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 421 · 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.Dev spent ₹120, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  2. 2.Anaya spent ₹60, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  3. 3.75% of a number is 153. What is the number?
  4. 4.Meera spent ₹39, which is 75% of the pocket money. How much pocket money did Meera have, in rupees?
  5. 5.Aarav spent ₹18, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  6. 6.20% of a number is 32. What is the number?
  7. 7.10% of a number is 17. What is the number?
  8. 8.40% of a number is 116. What is the number?
  9. 9.15% of a number is 51. What is the number?
  10. 10.25% of a number is 18. What is the number?
  11. 11.33 is 15% of ?
  12. 12.10 is 25% of ?
  13. 13.20% of a number is 31. What is the number?
  14. 14.10% of a number is 5. What is the number?
  15. 15.76 is 40% of ?
  16. 16.80% of a number is 104. What is the number?
  17. 17.198 is 50% of ?
  18. 18.75% of a number is 297. What is the number?
  19. 19.78 is 20% of ?
  20. 20.Dev spent ₹84, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  21. 21.12 is 25% of ?
  22. 22.Ishaan spent ₹18, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  23. 23.Sara spent ₹51, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?
  24. 24.40% of a number is 120. What is the number?
  25. 25.5% of a number is 8. What is the number?
  26. 26.15% of a number is 15. What is the number?
  27. 27.Riya spent ₹25, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  28. 28.Sara spent ₹78, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  29. 29.Meera spent ₹105, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  30. 30.Isha spent ₹60, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  31. 31.135 is 50% of ?
  32. 32.60% of a number is 3. What is the number?
  33. 33.Isha spent ₹89, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  34. 34.30% of a number is 75. What is the number?
  35. 35.50% of a number is 57. What is the number?
  36. 36.75% of a number is 267. What is the number?
  37. 37.75% of a number is 273. What is the number?
  38. 38.15% of a number is 36. What is the number?
  39. 39.30% of a number is 87. What is the number?
  40. 40.40% of a number is 4. What is the number?

Answer key

  1. 400
  2. 300
  3. 204
  4. 52
  5. 120
  6. 160
  7. 170
  8. 290
  9. 340
  10. 72
  11. 220
  12. 40
  13. 155
  14. 50
  15. 190
  16. 130
  17. 396
  18. 396
  19. 390
  20. 140
  21. 48
  22. 60
  23. 340
  24. 300
  25. 160
  26. 100
  27. 250
  28. 104
  29. 350
  30. 400
  31. 270
  32. 5
  33. 356
  34. 250
  35. 114
  36. 356
  37. 364
  38. 240
  39. 290
  40. 10

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