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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 802 · 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. 1.80% of a number is 144. What is the number?
  2. 2.30% of a number is 108. What is the number?
  3. 3.Arjun spent ₹45, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  4. 4.19 is 5% of ?
  5. 5.15% of a number is 3. What is the number?
  6. 6.20% of a number is 40. What is the number?
  7. 7.148 is 80% of ?
  8. 8.Ishaan spent ₹34, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  9. 9.25% of a number is 5. What is the number?
  10. 10.12% of a number is 6. What is the number?
  11. 11.60 is 25% of ?
  12. 12.Aarav spent ₹78, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  13. 13.180 is 50% of ?
  14. 14.20% of a number is 36. What is the number?
  15. 15.42 is 15% of ?
  16. 16.39 is 30% of ?
  17. 17.80% of a number is 156. What is the number?
  18. 18.Dev spent ₹102, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  19. 19.20% of a number is 51. What is the number?
  20. 20.Sara spent ₹10, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  21. 21.1 is 25% of ?
  22. 22.Arjun spent ₹24, which is 15% of the pocket money. How much pocket money did Arjun have, in rupees?
  23. 23.15% of a number is 39. What is the number?
  24. 24.25% of a number is 21. What is the number?
  25. 25.Diya spent ₹147, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  26. 26.148 is 50% of ?
  27. 27.Anaya spent ₹21, which is 25% of the pocket money. How much pocket money did Anaya have, in rupees?
  28. 28.6 is 5% of ?
  29. 29.12 is 80% of ?
  30. 30.Rohan spent ₹54, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  31. 31.15% of a number is 18. What is the number?
  32. 32.84 is 50% of ?
  33. 33.10% of a number is 28. What is the number?
  34. 34.25% of a number is 37. What is the number?
  35. 35.76 is 20% of ?
  36. 36.120 is 30% of ?
  37. 37.Diya spent ₹147, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  38. 38.6 is 12% of ?
  39. 39.60% of a number is 60. What is the number?
  40. 40.Ishaan spent ₹44, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?

Answer key

  1. 180
  2. 360
  3. 375
  4. 380
  5. 20
  6. 200
  7. 185
  8. 170
  9. 20
  10. 50
  11. 240
  12. 312
  13. 360
  14. 180
  15. 280
  16. 130
  17. 195
  18. 136
  19. 255
  20. 25
  21. 4
  22. 160
  23. 260
  24. 84
  25. 245
  26. 296
  27. 84
  28. 120
  29. 15
  30. 270
  31. 120
  32. 168
  33. 280
  34. 148
  35. 380
  36. 400
  37. 196
  38. 50
  39. 100
  40. 110

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