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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 316 · 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. 1.12 is 30% of ?
  2. 2.30% of a number is 48. What is the number?
  3. 3.14 is 10% of ?
  4. 4.40% of a number is 156. What is the number?
  5. 5.60% of a number is 72. What is the number?
  6. 6.Ishaan spent ₹73, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  7. 7.75% of a number is 219. What is the number?
  8. 8.19 is 20% of ?
  9. 9.Dev spent ₹9, which is 12% of the pocket money. How much pocket money did Dev have, in rupees?
  10. 10.80% of a number is 300. What is the number?
  11. 11.236 is 80% of ?
  12. 12.75 is 25% of ?
  13. 13.45 is 15% of ?
  14. 14.146 is 40% of ?
  15. 15.15% of a number is 60. What is the number?
  16. 16.80% of a number is 212. What is the number?
  17. 17.27 is 15% of ?
  18. 18.30% of a number is 120. What is the number?
  19. 19.75% of a number is 27. What is the number?
  20. 20.3 is 10% of ?
  21. 21.Meera spent ₹10, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  22. 22.15% of a number is 15. What is the number?
  23. 23.Kabir spent ₹21, which is 30% of the pocket money. How much pocket money did Kabir have, in rupees?
  24. 24.Meera spent ₹9, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  25. 25.Sara spent ₹19, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  26. 26.111 is 75% of ?
  27. 27.10% of a number is 22. What is the number?
  28. 28.13 is 20% of ?
  29. 29.48 is 60% of ?
  30. 30.Kabir spent ₹142, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  31. 31.11 is 5% of ?
  32. 32.48 is 15% of ?
  33. 33.30 is 12% of ?
  34. 34.75% of a number is 21. What is the number?
  35. 35.15% of a number is 12. What is the number?
  36. 36.15% of a number is 33. What is the number?
  37. 37.21 is 15% of ?
  38. 38.Diya spent ₹3, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  39. 39.Meera spent ₹45, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  40. 40.25% of a number is 28. What is the number?

Answer key

  1. 40
  2. 160
  3. 140
  4. 390
  5. 120
  6. 365
  7. 292
  8. 95
  9. 75
  10. 375
  11. 295
  12. 300
  13. 300
  14. 365
  15. 400
  16. 265
  17. 180
  18. 400
  19. 36
  20. 30
  21. 20
  22. 100
  23. 70
  24. 60
  25. 95
  26. 148
  27. 220
  28. 65
  29. 80
  30. 355
  31. 220
  32. 320
  33. 250
  34. 28
  35. 80
  36. 220
  37. 140
  38. 30
  39. 375
  40. 112

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