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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 168 · 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 72. What is the number?
  2. 2.30% of a number is 78. What is the number?
  3. 3.Aarav spent ₹39, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  4. 4.40% of a number is 160. What is the number?
  5. 5.60% of a number is 87. What is the number?
  6. 6.25% of a number is 53. What is the number?
  7. 7.Meera spent ₹102, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  8. 8.Ishaan spent ₹33, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  9. 9.138 is 60% of ?
  10. 10.20% of a number is 34. What is the number?
  11. 11.63 is 60% of ?
  12. 12.78 is 30% of ?
  13. 13.40% of a number is 68. What is the number?
  14. 14.Ishaan spent ₹292, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  15. 15.171 is 75% of ?
  16. 16.9 is 10% of ?
  17. 17.14 is 10% of ?
  18. 18.12% of a number is 42. What is the number?
  19. 19.Meera spent ₹138, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  20. 20.Dev spent ₹98, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  21. 21.50% of a number is 123. What is the number?
  22. 22.40% of a number is 18. What is the number?
  23. 23.15% of a number is 33. What is the number?
  24. 24.75% of a number is 60. What is the number?
  25. 25.12 is 5% of ?
  26. 26.12% of a number is 9. What is the number?
  27. 27.5 is 5% of ?
  28. 28.224 is 80% of ?
  29. 29.160 is 80% of ?
  30. 30.15% of a number is 12. What is the number?
  31. 31.27 is 10% of ?
  32. 32.12 is 20% of ?
  33. 33.Aarav spent ₹33, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  34. 34.5% of a number is 3. What is the number?
  35. 35.10% of a number is 34. What is the number?
  36. 36.20% of a number is 12. What is the number?
  37. 37.75% of a number is 33. What is the number?
  38. 38.60 is 15% of ?
  39. 39.30% of a number is 39. What is the number?
  40. 40.74 is 40% of ?

Answer key

  1. 288
  2. 260
  3. 260
  4. 400
  5. 145
  6. 212
  7. 340
  8. 220
  9. 230
  10. 170
  11. 105
  12. 260
  13. 170
  14. 365
  15. 228
  16. 90
  17. 140
  18. 350
  19. 276
  20. 392
  21. 246
  22. 45
  23. 220
  24. 80
  25. 240
  26. 75
  27. 100
  28. 280
  29. 200
  30. 80
  31. 270
  32. 60
  33. 275
  34. 60
  35. 340
  36. 60
  37. 44
  38. 400
  39. 130
  40. 185

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