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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 344 · 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. 1.25% of a number is 11. What is the number?
  2. 2.18 is 20% of ?
  3. 3.5% of a number is 18. What is the number?
  4. 4.Dev spent ₹38, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  5. 5.27 is 15% of ?
  6. 6.15% of a number is 57. What is the number?
  7. 7.10% of a number is 16. What is the number?
  8. 8.Diya spent ₹52, which is 80% of the pocket money. How much pocket money did Diya have, in rupees?
  9. 9.Kabir spent ₹19, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  10. 10.25% of a number is 52. What is the number?
  11. 11.Dev spent ₹9, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  12. 12.5 is 20% of ?
  13. 13.82 is 50% of ?
  14. 14.13 is 50% of ?
  15. 15.40% of a number is 16. What is the number?
  16. 16.80% of a number is 176. What is the number?
  17. 17.Anaya spent ₹18, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  18. 18.10% of a number is 3. What is the number?
  19. 19.80% of a number is 116. What is the number?
  20. 20.75% of a number is 252. What is the number?
  21. 21.80% of a number is 192. What is the number?
  22. 22.Ishaan spent ₹276, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  23. 23.5% of a number is 7. What is the number?
  24. 24.60% of a number is 201. What is the number?
  25. 25.40% of a number is 92. What is the number?
  26. 26.Riya spent ₹23, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  27. 27.36 is 40% of ?
  28. 28.Rohan spent ₹57, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  29. 29.45 is 15% of ?
  30. 30.Rohan spent ₹40, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  31. 31.75% of a number is 33. What is the number?
  32. 32.Aarav spent ₹3, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  33. 33.60% of a number is 141. What is the number?
  34. 34.Aarav spent ₹54, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  35. 35.Ishaan spent ₹300, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  36. 36.Kabir spent ₹8, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  37. 37.Diya spent ₹112, which is 50% of the pocket money. How much pocket money did Diya have, in rupees?
  38. 38.228 is 80% of ?
  39. 39.80% of a number is 144. What is the number?
  40. 40.Dev spent ₹147, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?

Answer key

  1. 44
  2. 90
  3. 360
  4. 76
  5. 180
  6. 380
  7. 160
  8. 65
  9. 76
  10. 208
  11. 90
  12. 25
  13. 164
  14. 26
  15. 40
  16. 220
  17. 60
  18. 30
  19. 145
  20. 336
  21. 240
  22. 368
  23. 140
  24. 335
  25. 230
  26. 230
  27. 90
  28. 380
  29. 300
  30. 400
  31. 44
  32. 20
  33. 235
  34. 135
  35. 400
  36. 32
  37. 224
  38. 285
  39. 180
  40. 196

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