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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 68 · 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. 1.50% of a number is 60. What is the number?
  2. 2.48 is 40% of ?
  3. 3.36 is 12% of ?
  4. 4.19 is 50% of ?
  5. 5.80% of a number is 148. What is the number?
  6. 6.75% of a number is 300. What is the number?
  7. 7.50% of a number is 25. What is the number?
  8. 8.Sara spent ₹48, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  9. 9.10% of a number is 1. What is the number?
  10. 10.204 is 60% of ?
  11. 11.60% of a number is 27. What is the number?
  12. 12.Meera spent ₹32, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  13. 13.80% of a number is 244. What is the number?
  14. 14.75% of a number is 141. What is the number?
  15. 15.15 is 12% of ?
  16. 16.4 is 40% of ?
  17. 17.288 is 80% of ?
  18. 18.25% of a number is 76. What is the number?
  19. 19.15% of a number is 24. What is the number?
  20. 20.Diya spent ₹117, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  21. 21.20% of a number is 6. What is the number?
  22. 22.30% of a number is 24. What is the number?
  23. 23.11 is 5% of ?
  24. 24.10% of a number is 36. What is the number?
  25. 25.Riya spent ₹137, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  26. 26.10% of a number is 34. What is the number?
  27. 27.Dev spent ₹21, which is 12% of the pocket money. How much pocket money did Dev have, in rupees?
  28. 28.50% of a number is 114. What is the number?
  29. 29.Kabir spent ₹15, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  30. 30.Diya spent ₹80, which is 20% of the pocket money. How much pocket money did Diya have, in rupees?
  31. 31.15% of a number is 12. What is the number?
  32. 32.Kabir spent ₹18, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  33. 33.5% of a number is 18. What is the number?
  34. 34.172 is 80% of ?
  35. 35.11 is 10% of ?
  36. 36.20% of a number is 65. What is the number?
  37. 37.Arjun spent ₹44, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  38. 38.25% of a number is 26. What is the number?
  39. 39.10% of a number is 17. What is the number?
  40. 40.50% of a number is 200. What is the number?

Answer key

  1. 120
  2. 120
  3. 300
  4. 38
  5. 185
  6. 400
  7. 50
  8. 160
  9. 10
  10. 340
  11. 45
  12. 160
  13. 305
  14. 188
  15. 125
  16. 10
  17. 360
  18. 304
  19. 160
  20. 195
  21. 30
  22. 80
  23. 220
  24. 360
  25. 274
  26. 340
  27. 175
  28. 228
  29. 100
  30. 400
  31. 80
  32. 72
  33. 360
  34. 215
  35. 110
  36. 325
  37. 176
  38. 104
  39. 170
  40. 400

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