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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 808 · 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. 1.25% of a number is 20. What is the number?
  2. 2.75% of a number is 273. What is the number?
  3. 3.Kabir spent ₹138, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  4. 4.Aarav spent ₹63, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  5. 5.49 is 50% of ?
  6. 6.225 is 75% of ?
  7. 7.Meera spent ₹18, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  8. 8.75% of a number is 255. What is the number?
  9. 9.60% of a number is 24. What is the number?
  10. 10.Ishaan spent ₹152, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  11. 11.Riya spent ₹36, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  12. 12.6 is 12% of ?
  13. 13.33 is 12% of ?
  14. 14.141 is 75% of ?
  15. 15.11 is 10% of ?
  16. 16.21 is 10% of ?
  17. 17.Diya spent ₹43, which is 20% of the pocket money. How much pocket money did Diya have, in rupees?
  18. 18.15% of a number is 33. What is the number?
  19. 19.Diya spent ₹63, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  20. 20.51 is 15% of ?
  21. 21.19 is 5% of ?
  22. 22.40% of a number is 28. What is the number?
  23. 23.Isha spent ₹5, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  24. 24.Riya spent ₹132, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  25. 25.Anaya spent ₹74, which is 25% of the pocket money. How much pocket money did Anaya have, in rupees?
  26. 26.Isha spent ₹4, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  27. 27.174 is 50% of ?
  28. 28.Riya spent ₹216, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  29. 29.76 is 50% of ?
  30. 30.6 is 5% of ?
  31. 31.18 is 15% of ?
  32. 32.15 is 5% of ?
  33. 33.25% of a number is 93. What is the number?
  34. 34.Anaya spent ₹72, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  35. 35.Anaya spent ₹3, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  36. 36.50% of a number is 43. What is the number?
  37. 37.75% of a number is 243. What is the number?
  38. 38.Ishaan spent ₹6, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  39. 39.20% of a number is 51. What is the number?
  40. 40.Anaya spent ₹160, which is 40% of the pocket money. How much pocket money did Anaya have, in rupees?

Answer key

  1. 80
  2. 364
  3. 345
  4. 84
  5. 98
  6. 300
  7. 45
  8. 340
  9. 40
  10. 380
  11. 300
  12. 50
  13. 275
  14. 188
  15. 110
  16. 210
  17. 215
  18. 220
  19. 210
  20. 340
  21. 380
  22. 70
  23. 50
  24. 176
  25. 296
  26. 8
  27. 348
  28. 288
  29. 152
  30. 120
  31. 120
  32. 300
  33. 372
  34. 144
  35. 10
  36. 86
  37. 324
  38. 8
  39. 255
  40. 400

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