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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 703 · 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. 1.18 is 60% of ?
  2. 2.57 is 20% of ?
  3. 3.50% of a number is 100. What is the number?
  4. 4.15% of a number is 57. What is the number?
  5. 5.14 is 10% of ?
  6. 6.10% of a number is 21. What is the number?
  7. 7.168 is 75% of ?
  8. 8.29 is 10% of ?
  9. 9.27 is 15% of ?
  10. 10.Kabir spent ₹9, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  11. 11.136 is 50% of ?
  12. 12.70 is 25% of ?
  13. 13.53 is 25% of ?
  14. 14.81 is 60% of ?
  15. 15.12 is 12% of ?
  16. 16.40% of a number is 22. What is the number?
  17. 17.Riya spent ₹12, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  18. 18.10% of a number is 32. What is the number?
  19. 19.76 is 40% of ?
  20. 20.5% of a number is 5. What is the number?
  21. 21.Meera spent ₹6, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  22. 22.10% of a number is 37. What is the number?
  23. 23.15 is 12% of ?
  24. 24.15% of a number is 15. What is the number?
  25. 25.26 is 10% of ?
  26. 26.Isha spent ₹12, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  27. 27.60% of a number is 147. What is the number?
  28. 28.78 is 20% of ?
  29. 29.180 is 80% of ?
  30. 30.Arjun spent ₹24, which is 60% of the pocket money. How much pocket money did Arjun have, in rupees?
  31. 31.20% of a number is 13. What is the number?
  32. 32.6 is 15% of ?
  33. 33.Dev spent ₹5, which is 5% of the pocket money. How much pocket money did Dev have, in rupees?
  34. 34.10% of a number is 16. What is the number?
  35. 35.12% of a number is 39. What is the number?
  36. 36.10% of a number is 36. What is the number?
  37. 37.189 is 50% of ?
  38. 38.Aarav spent ₹6, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  39. 39.17 is 50% of ?
  40. 40.Isha spent ₹54, which is 75% of the pocket money. How much pocket money did Isha have, in rupees?

Answer key

  1. 30
  2. 285
  3. 200
  4. 380
  5. 140
  6. 210
  7. 224
  8. 290
  9. 180
  10. 60
  11. 272
  12. 280
  13. 212
  14. 135
  15. 100
  16. 55
  17. 100
  18. 320
  19. 190
  20. 100
  21. 15
  22. 370
  23. 125
  24. 100
  25. 260
  26. 15
  27. 245
  28. 390
  29. 225
  30. 40
  31. 65
  32. 40
  33. 100
  34. 160
  35. 325
  36. 360
  37. 378
  38. 40
  39. 34
  40. 72

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