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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 517 · 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. 1.60% of a number is 138. What is the number?
  2. 2.60 is 50% of ?
  3. 3.39 is 30% of ?
  4. 4.80% of a number is 200. What is the number?
  5. 5.84 is 25% of ?
  6. 6.25% of a number is 47. What is the number?
  7. 7.12 is 12% of ?
  8. 8.222 is 60% of ?
  9. 9.5% of a number is 1. What is the number?
  10. 10.Isha spent ₹156, which is 75% of the pocket money. How much pocket money did Isha have, in rupees?
  11. 11.20% of a number is 65. What is the number?
  12. 12.Ishaan spent ₹33, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  13. 13.Arjun spent ₹6, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?
  14. 14.45 is 12% of ?
  15. 15.15% of a number is 60. What is the number?
  16. 16.20% of a number is 30. What is the number?
  17. 17.25% of a number is 8. What is the number?
  18. 18.108 is 75% of ?
  19. 19.75% of a number is 288. What is the number?
  20. 20.Dev spent ₹16, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  21. 21.Dev spent ₹18, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  22. 22.Rohan spent ₹24, which is 12% of the pocket money. How much pocket money did Rohan have, in rupees?
  23. 23.44 is 25% of ?
  24. 24.10% of a number is 15. What is the number?
  25. 25.10% of a number is 38. What is the number?
  26. 26.21 is 15% of ?
  27. 27.Kabir spent ₹53, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  28. 28.60% of a number is 12. What is the number?
  29. 29.12% of a number is 24. What is the number?
  30. 30.80% of a number is 232. What is the number?
  31. 31.Kabir spent ₹17, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  32. 32.10% of a number is 19. What is the number?
  33. 33.12 is 30% of ?
  34. 34.Kabir spent ₹49, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  35. 35.20% of a number is 27. What is the number?
  36. 36.Riya spent ₹2, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  37. 37.20% of a number is 50. What is the number?
  38. 38.15% of a number is 24. What is the number?
  39. 39.15% of a number is 45. What is the number?
  40. 40.75% of a number is 12. What is the number?

Answer key

  1. 230
  2. 120
  3. 130
  4. 250
  5. 336
  6. 188
  7. 100
  8. 370
  9. 20
  10. 208
  11. 325
  12. 220
  13. 20
  14. 375
  15. 400
  16. 150
  17. 32
  18. 144
  19. 384
  20. 64
  21. 90
  22. 200
  23. 176
  24. 150
  25. 380
  26. 140
  27. 212
  28. 20
  29. 200
  30. 290
  31. 85
  32. 190
  33. 40
  34. 196
  35. 135
  36. 40
  37. 250
  38. 160
  39. 300
  40. 16

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