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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 801 · 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.

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  1. 1.15% of a number is 15. What is the number?
  2. 2.10% of a number is 4. What is the number?
  3. 3.Diya spent ₹72, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  4. 4.Ishaan spent ₹4, which is 5% of the pocket money. How much pocket money did Ishaan have, in rupees?
  5. 5.5% of a number is 3. What is the number?
  6. 6.10% of a number is 28. What is the number?
  7. 7.40% of a number is 84. What is the number?
  8. 8.27 is 15% of ?
  9. 9.17 is 25% of ?
  10. 10.25% of a number is 3. What is the number?
  11. 11.5% of a number is 10. What is the number?
  12. 12.Meera spent ₹256, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  13. 13.15% of a number is 30. What is the number?
  14. 14.Riya spent ₹94, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  15. 15.11 is 10% of ?
  16. 16.Sara spent ₹135, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  17. 17.20% of a number is 6. What is the number?
  18. 18.Aarav spent ₹15, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  19. 19.20 is 80% of ?
  20. 20.19 is 20% of ?
  21. 21.316 is 80% of ?
  22. 22.3 is 25% of ?
  23. 23.12 is 15% of ?
  24. 24.Kabir spent ₹132, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  25. 25.Isha spent ₹18, which is 30% of the pocket money. How much pocket money did Isha have, in rupees?
  26. 26.Arjun spent ₹20, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  27. 27.66 is 25% of ?
  28. 28.80% of a number is 24. What is the number?
  29. 29.80% of a number is 312. What is the number?
  30. 30.30% of a number is 111. What is the number?
  31. 31.Ishaan spent ₹39, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  32. 32.Ishaan spent ₹39, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  33. 33.Aarav spent ₹152, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  34. 34.10% of a number is 3. What is the number?
  35. 35.25% of a number is 42. What is the number?
  36. 36.Riya spent ₹24, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  37. 37.60% of a number is 42. What is the number?
  38. 38.20% of a number is 15. What is the number?
  39. 39.Anaya spent ₹7, which is 5% of the pocket money. How much pocket money did Anaya have, in rupees?
  40. 40.11 is 25% of ?

Answer key

  1. 100
  2. 40
  3. 240
  4. 80
  5. 60
  6. 280
  7. 210
  8. 180
  9. 68
  10. 12
  11. 200
  12. 320
  13. 200
  14. 376
  15. 110
  16. 270
  17. 30
  18. 125
  19. 25
  20. 95
  21. 395
  22. 12
  23. 80
  24. 220
  25. 60
  26. 80
  27. 264
  28. 30
  29. 390
  30. 370
  31. 325
  32. 195
  33. 380
  34. 30
  35. 168
  36. 160
  37. 70
  38. 75
  39. 140
  40. 44

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