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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 930 · 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.Rohan spent ₹30, which is 12% of the pocket money. How much pocket money did Rohan have, in rupees?
  2. 2.50% of a number is 161. What is the number?
  3. 3.40% of a number is 132. What is the number?
  4. 4.222 is 60% of ?
  5. 5.75% of a number is 48. What is the number?
  6. 6.Dev spent ₹4, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  7. 7.54 is 20% of ?
  8. 8.2 is 5% of ?
  9. 9.Dev spent ₹18, which is 5% of the pocket money. How much pocket money did Dev have, in rupees?
  10. 10.Rohan spent ₹42, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  11. 11.25% of a number is 21. What is the number?
  12. 12.5% of a number is 8. What is the number?
  13. 13.Dev spent ₹17, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  14. 14.Kabir spent ₹208, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  15. 15.27 is 20% of ?
  16. 16.12% of a number is 27. What is the number?
  17. 17.10% of a number is 22. What is the number?
  18. 18.136 is 40% of ?
  19. 19.25% of a number is 17. What is the number?
  20. 20.Aarav spent ₹100, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  21. 21.Dev spent ₹28, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  22. 22.5% of a number is 18. What is the number?
  23. 23.15 is 12% of ?
  24. 24.53 is 25% of ?
  25. 25.75% of a number is 282. What is the number?
  26. 26.40% of a number is 28. What is the number?
  27. 27.Anaya spent ₹78, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  28. 28.15 is 15% of ?
  29. 29.5% of a number is 4. What is the number?
  30. 30.19 is 5% of ?
  31. 31.12% of a number is 48. What is the number?
  32. 32.1 is 5% of ?
  33. 33.Isha spent ₹9, which is 30% of the pocket money. How much pocket money did Isha have, in rupees?
  34. 34.12% of a number is 33. What is the number?
  35. 35.40% of a number is 74. What is the number?
  36. 36.40% of a number is 38. What is the number?
  37. 37.Riya spent ₹16, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  38. 38.Sara spent ₹312, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  39. 39.30% of a number is 81. What is the number?
  40. 40.20% of a number is 3. What is the number?

Answer key

  1. 250
  2. 322
  3. 330
  4. 370
  5. 64
  6. 20
  7. 270
  8. 40
  9. 360
  10. 140
  11. 84
  12. 160
  13. 170
  14. 260
  15. 135
  16. 225
  17. 220
  18. 340
  19. 68
  20. 250
  21. 35
  22. 360
  23. 125
  24. 212
  25. 376
  26. 70
  27. 156
  28. 100
  29. 80
  30. 380
  31. 400
  32. 20
  33. 30
  34. 275
  35. 185
  36. 95
  37. 160
  38. 390
  39. 270
  40. 15

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