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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 206 · 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.Aarav spent ₹45, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  2. 2.51 is 20% of ?
  3. 3.5% of a number is 18. What is the number?
  4. 4.75% of a number is 189. What is the number?
  5. 5.15% of a number is 6. What is the number?
  6. 6.96 is 80% of ?
  7. 7.37 is 20% of ?
  8. 8.Riya spent ₹8, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  9. 9.30% of a number is 30. What is the number?
  10. 10.10% of a number is 15. What is the number?
  11. 11.Diya spent ₹36, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  12. 12.11 is 10% of ?
  13. 13.4 is 20% of ?
  14. 14.60% of a number is 54. What is the number?
  15. 15.4 is 80% of ?
  16. 16.Ishaan spent ₹159, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  17. 17.Kabir spent ₹96, which is 30% of the pocket money. How much pocket money did Kabir have, in rupees?
  18. 18.Meera spent ₹3, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  19. 19.20% of a number is 77. What is the number?
  20. 20.9 is 5% of ?
  21. 21.Sara spent ₹28, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  22. 22.80% of a number is 308. What is the number?
  23. 23.57 is 25% of ?
  24. 24.15% of a number is 21. What is the number?
  25. 25.Rohan spent ₹160, which is 80% of the pocket money. How much pocket money did Rohan have, in rupees?
  26. 26.156 is 75% of ?
  27. 27.240 is 60% of ?
  28. 28.80 is 50% of ?
  29. 29.316 is 80% of ?
  30. 30.Kabir spent ₹12, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  31. 31.60% of a number is 24. What is the number?
  32. 32.Meera spent ₹28, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  33. 33.12% of a number is 21. What is the number?
  34. 34.Isha spent ₹144, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  35. 35.75% of a number is 30. What is the number?
  36. 36.Isha spent ₹63, which is 30% of the pocket money. How much pocket money did Isha have, in rupees?
  37. 37.25% of a number is 70. What is the number?
  38. 38.Sara spent ₹11, which is 5% of the pocket money. How much pocket money did Sara have, in rupees?
  39. 39.24 is 15% of ?
  40. 40.Anaya spent ₹14, which is 5% of the pocket money. How much pocket money did Anaya have, in rupees?

Answer key

  1. 180
  2. 255
  3. 360
  4. 252
  5. 40
  6. 120
  7. 185
  8. 160
  9. 100
  10. 150
  11. 90
  12. 110
  13. 20
  14. 90
  15. 5
  16. 318
  17. 320
  18. 60
  19. 385
  20. 180
  21. 56
  22. 385
  23. 228
  24. 140
  25. 200
  26. 208
  27. 400
  28. 160
  29. 395
  30. 240
  31. 40
  32. 280
  33. 175
  34. 360
  35. 40
  36. 210
  37. 280
  38. 220
  39. 160
  40. 280

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