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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 313 · 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. 1.5% of a number is 10. What is the number?
  2. 2.24 is 20% of ?
  3. 3.35 is 10% of ?
  4. 4.Meera spent ₹19, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  5. 5.Riya spent ₹87, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  6. 6.Kabir spent ₹45, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  7. 7.30% of a number is 24. What is the number?
  8. 8.41 is 20% of ?
  9. 9.20% of a number is 79. What is the number?
  10. 10.42 is 60% of ?
  11. 11.45 is 12% of ?
  12. 12.12% of a number is 45. What is the number?
  13. 13.Kabir spent ₹21, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  14. 14.30% of a number is 3. What is the number?
  15. 15.19 is 5% of ?
  16. 16.50% of a number is 35. What is the number?
  17. 17.25% of a number is 25. What is the number?
  18. 18.60% of a number is 138. What is the number?
  19. 19.75% of a number is 165. What is the number?
  20. 20.Anaya spent ₹198, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  21. 21.20% of a number is 65. What is the number?
  22. 22.5% of a number is 18. What is the number?
  23. 23.12 is 12% of ?
  24. 24.12% of a number is 39. What is the number?
  25. 25.5% of a number is 8. What is the number?
  26. 26.172 is 50% of ?
  27. 27.76 is 80% of ?
  28. 28.Anaya spent ₹1, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  29. 29.25% of a number is 34. What is the number?
  30. 30.Isha spent ₹6, which is 5% of the pocket money. How much pocket money did Isha have, in rupees?
  31. 31.69 is 75% of ?
  32. 32.Diya spent ₹42, which is 15% of the pocket money. How much pocket money did Diya have, in rupees?
  33. 33.50% of a number is 174. What is the number?
  34. 34.41 is 25% of ?
  35. 35.12% of a number is 42. What is the number?
  36. 36.102 is 75% of ?
  37. 37.Aarav spent ₹114, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  38. 38.20% of a number is 9. What is the number?
  39. 39.Meera spent ₹35, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  40. 40.143 is 50% of ?

Answer key

  1. 200
  2. 120
  3. 350
  4. 190
  5. 348
  6. 300
  7. 80
  8. 205
  9. 395
  10. 70
  11. 375
  12. 375
  13. 140
  14. 10
  15. 380
  16. 70
  17. 100
  18. 230
  19. 220
  20. 264
  21. 325
  22. 360
  23. 100
  24. 325
  25. 160
  26. 344
  27. 95
  28. 2
  29. 136
  30. 120
  31. 92
  32. 280
  33. 348
  34. 164
  35. 350
  36. 136
  37. 380
  38. 45
  39. 350
  40. 286

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