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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 671 · 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. 1.50% of a number is 40. What is the number?
  2. 2.20% of a number is 40. What is the number?
  3. 3.20% of a number is 48. What is the number?
  4. 4.69 is 20% of ?
  5. 5.Aarav spent ₹7, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  6. 6.Diya spent ₹14, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  7. 7.Kabir spent ₹112, which is 50% of the pocket money. How much pocket money did Kabir have, in rupees?
  8. 8.Kabir spent ₹36, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  9. 9.20% of a number is 23. What is the number?
  10. 10.10% of a number is 36. What is the number?
  11. 11.Sara spent ₹9, which is 5% of the pocket money. How much pocket money did Sara have, in rupees?
  12. 12.201 is 75% of ?
  13. 13.5% of a number is 4. What is the number?
  14. 14.Diya spent ₹30, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  15. 15.50% of a number is 96. What is the number?
  16. 16.30% of a number is 78. What is the number?
  17. 17.30% of a number is 96. What is the number?
  18. 18.Ishaan spent ₹158, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  19. 19.50% of a number is 157. What is the number?
  20. 20.6 is 15% of ?
  21. 21.40% of a number is 90. What is the number?
  22. 22.40% of a number is 46. What is the number?
  23. 23.Kabir spent ₹183, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  24. 24.Sara spent ₹21, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  25. 25.20% of a number is 14. What is the number?
  26. 26.Diya spent ₹135, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  27. 27.20% of a number is 35. What is the number?
  28. 28.248 is 80% of ?
  29. 29.75% of a number is 12. What is the number?
  30. 30.48 is 30% of ?
  31. 31.Kabir spent ₹70, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  32. 32.15% of a number is 3. What is the number?
  33. 33.72 is 30% of ?
  34. 34.25% of a number is 56. What is the number?
  35. 35.Ishaan spent ₹45, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  36. 36.4 is 25% of ?
  37. 37.25% of a number is 28. What is the number?
  38. 38.60% of a number is 165. What is the number?
  39. 39.Ishaan spent ₹32, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?
  40. 40.40% of a number is 32. What is the number?

Answer key

  1. 80
  2. 200
  3. 240
  4. 345
  5. 140
  6. 140
  7. 224
  8. 48
  9. 115
  10. 360
  11. 180
  12. 268
  13. 80
  14. 250
  15. 192
  16. 260
  17. 320
  18. 395
  19. 314
  20. 40
  21. 225
  22. 115
  23. 244
  24. 175
  25. 70
  26. 180
  27. 175
  28. 310
  29. 16
  30. 160
  31. 350
  32. 20
  33. 240
  34. 224
  35. 300
  36. 16
  37. 112
  38. 275
  39. 320
  40. 80

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