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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 43 · 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. 1.20% of a number is 48. What is the number?
  2. 2.80% of a number is 116. What is the number?
  3. 3.Dev spent ₹237, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  4. 4.10% of a number is 36. What is the number?
  5. 5.Aarav spent ₹72, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  6. 6.Aarav spent ₹99, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  7. 7.12% of a number is 21. What is the number?
  8. 8.15% of a number is 9. What is the number?
  9. 9.20% of a number is 43. What is the number?
  10. 10.4 is 80% of ?
  11. 11.110 is 40% of ?
  12. 12.Riya spent ₹7, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  13. 13.296 is 80% of ?
  14. 14.Sara spent ₹33, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  15. 15.30 is 15% of ?
  16. 16.75% of a number is 147. What is the number?
  17. 17.38 is 25% of ?
  18. 18.60% of a number is 105. What is the number?
  19. 19.57 is 30% of ?
  20. 20.Arjun spent ₹11, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  21. 21.Dev spent ₹156, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  22. 22.40% of a number is 38. What is the number?
  23. 23.Riya spent ₹35, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  24. 24.Aarav spent ₹36, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  25. 25.Meera spent ₹87, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  26. 26.13 is 5% of ?
  27. 27.40% of a number is 26. What is the number?
  28. 28.270 is 75% of ?
  29. 29.25% of a number is 63. What is the number?
  30. 30.70 is 20% of ?
  31. 31.30% of a number is 60. What is the number?
  32. 32.Diya spent ₹125, which is 50% of the pocket money. How much pocket money did Diya have, in rupees?
  33. 33.Ishaan spent ₹30, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  34. 34.20% of a number is 79. What is the number?
  35. 35.10% of a number is 11. What is the number?
  36. 36.Kabir spent ₹36, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  37. 37.63 is 60% of ?
  38. 38.Riya spent ₹54, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  39. 39.40% of a number is 98. What is the number?
  40. 40.80% of a number is 172. What is the number?

Answer key

  1. 240
  2. 145
  3. 395
  4. 360
  5. 288
  6. 330
  7. 175
  8. 60
  9. 215
  10. 5
  11. 275
  12. 140
  13. 370
  14. 330
  15. 200
  16. 196
  17. 152
  18. 175
  19. 190
  20. 44
  21. 195
  22. 95
  23. 350
  24. 300
  25. 348
  26. 260
  27. 65
  28. 360
  29. 252
  30. 350
  31. 200
  32. 250
  33. 250
  34. 395
  35. 110
  36. 180
  37. 105
  38. 360
  39. 245
  40. 215

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