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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 70 · 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 ₹65, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  2. 2.60% of a number is 210. What is the number?
  3. 3.Dev spent ₹48, which is 12% of the pocket money. How much pocket money did Dev have, in rupees?
  4. 4.15 is 30% of ?
  5. 5.40% of a number is 62. What is the number?
  6. 6.Dev spent ₹45, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  7. 7.5 is 10% of ?
  8. 8.10 is 5% of ?
  9. 9.Anaya spent ₹39, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  10. 10.Aarav spent ₹6, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  11. 11.25% of a number is 16. What is the number?
  12. 12.60% of a number is 183. What is the number?
  13. 13.20% of a number is 18. What is the number?
  14. 14.60% of a number is 45. What is the number?
  15. 15.Sara spent ₹204, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  16. 16.Diya spent ₹18, which is 15% of the pocket money. How much pocket money did Diya have, in rupees?
  17. 17.296 is 80% of ?
  18. 18.60% of a number is 147. What is the number?
  19. 19.40 is 40% of ?
  20. 20.10% of a number is 20. What is the number?
  21. 21.Diya spent ₹9, which is 15% of the pocket money. How much pocket money did Diya have, in rupees?
  22. 22.316 is 80% of ?
  23. 23.Aarav spent ₹24, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  24. 24.5 is 5% of ?
  25. 25.12 is 10% of ?
  26. 26.12% of a number is 39. What is the number?
  27. 27.Aarav spent ₹132, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  28. 28.30% of a number is 3. What is the number?
  29. 29.Isha spent ₹136, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  30. 30.16 is 5% of ?
  31. 31.5% of a number is 20. What is the number?
  32. 32.48 is 20% of ?
  33. 33.Meera spent ₹54, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  34. 34.Sara spent ₹66, which is 60% of the pocket money. How much pocket money did Sara have, in rupees?
  35. 35.50% of a number is 56. What is the number?
  36. 36.28 is 10% of ?
  37. 37.10% of a number is 8. What is the number?
  38. 38.Anaya spent ₹2, which is 5% of the pocket money. How much pocket money did Anaya have, in rupees?
  39. 39.Dev spent ₹6, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  40. 40.75% of a number is 243. What is the number?

Answer key

  1. 325
  2. 350
  3. 400
  4. 50
  5. 155
  6. 75
  7. 50
  8. 200
  9. 390
  10. 40
  11. 64
  12. 305
  13. 90
  14. 75
  15. 255
  16. 120
  17. 370
  18. 245
  19. 100
  20. 200
  21. 60
  22. 395
  23. 80
  24. 100
  25. 120
  26. 325
  27. 165
  28. 10
  29. 170
  30. 320
  31. 400
  32. 240
  33. 360
  34. 110
  35. 112
  36. 280
  37. 80
  38. 40
  39. 30
  40. 324

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