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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 170 · 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. 1.10% of a number is 35. What is the number?
  2. 2.10% of a number is 26. What is the number?
  3. 3.Ishaan spent ₹42, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  4. 4.21 is 15% of ?
  5. 5.30% of a number is 30. What is the number?
  6. 6.60% of a number is 162. What is the number?
  7. 7.21 is 10% of ?
  8. 8.44 is 40% of ?
  9. 9.27 is 15% of ?
  10. 10.Aarav spent ₹18, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  11. 11.Isha spent ₹86, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  12. 12.76 is 50% of ?
  13. 13.Kabir spent ₹57, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  14. 14.30 is 30% of ?
  15. 15.20% of a number is 71. What is the number?
  16. 16.40% of a number is 4. What is the number?
  17. 17.15% of a number is 30. What is the number?
  18. 18.Meera spent ₹37, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  19. 19.5% of a number is 14. What is the number?
  20. 20.40% of a number is 56. What is the number?
  21. 21.5% of a number is 18. What is the number?
  22. 22.22 is 20% of ?
  23. 23.9 is 30% of ?
  24. 24.40% of a number is 138. What is the number?
  25. 25.20% of a number is 4. What is the number?
  26. 26.12% of a number is 6. What is the number?
  27. 27.42 is 75% of ?
  28. 28.80% of a number is 4. What is the number?
  29. 29.Rohan spent ₹30, which is 12% of the pocket money. How much pocket money did Rohan have, in rupees?
  30. 30.Sara spent ₹14, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  31. 31.65 is 20% of ?
  32. 32.Anaya spent ₹36, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  33. 33.Kabir spent ₹23, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  34. 34.10% of a number is 39. What is the number?
  35. 35.15% of a number is 45. What is the number?
  36. 36.12% of a number is 27. What is the number?
  37. 37.75% of a number is 204. What is the number?
  38. 38.12% of a number is 21. What is the number?
  39. 39.Kabir spent ₹51, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  40. 40.20 is 5% of ?

Answer key

  1. 350
  2. 260
  3. 350
  4. 140
  5. 100
  6. 270
  7. 210
  8. 110
  9. 180
  10. 120
  11. 215
  12. 152
  13. 76
  14. 100
  15. 355
  16. 10
  17. 200
  18. 185
  19. 280
  20. 140
  21. 360
  22. 110
  23. 30
  24. 345
  25. 20
  26. 50
  27. 56
  28. 5
  29. 250
  30. 70
  31. 325
  32. 72
  33. 115
  34. 390
  35. 300
  36. 225
  37. 272
  38. 175
  39. 255
  40. 400

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