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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 799 · 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. 1.50% of a number is 7. What is the number?
  2. 2.Anaya spent ₹107, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  3. 3.10% of a number is 16. What is the number?
  4. 4.132 is 40% of ?
  5. 5.Kabir spent ₹36, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  6. 6.4 is 5% of ?
  7. 7.Sara spent ₹11, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  8. 8.268 is 80% of ?
  9. 9.25% of a number is 37. What is the number?
  10. 10.Kabir spent ₹10, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  11. 11.20% of a number is 24. What is the number?
  12. 12.Meera spent ₹44, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  13. 13.25% of a number is 81. What is the number?
  14. 14.15% of a number is 24. What is the number?
  15. 15.42 is 30% of ?
  16. 16.50% of a number is 102. What is the number?
  17. 17.Anaya spent ₹243, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  18. 18.Kabir spent ₹3, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  19. 19.10% of a number is 3. What is the number?
  20. 20.40% of a number is 34. What is the number?
  21. 21.48 is 40% of ?
  22. 22.Aarav spent ₹25, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  23. 23.15 is 30% of ?
  24. 24.30% of a number is 60. What is the number?
  25. 25.9 is 10% of ?
  26. 26.63 is 30% of ?
  27. 27.Dev spent ₹168, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  28. 28.11 is 10% of ?
  29. 29.60 is 20% of ?
  30. 30.20% of a number is 72. What is the number?
  31. 31.Diya spent ₹10, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  32. 32.6 is 5% of ?
  33. 33.3 is 10% of ?
  34. 34.3 is 30% of ?
  35. 35.80% of a number is 188. What is the number?
  36. 36.80% of a number is 244. What is the number?
  37. 37.3 is 12% of ?
  38. 38.Meera spent ₹51, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  39. 39.120 is 80% of ?
  40. 40.75% of a number is 57. What is the number?

Answer key

  1. 14
  2. 214
  3. 160
  4. 330
  5. 240
  6. 80
  7. 44
  8. 335
  9. 148
  10. 200
  11. 120
  12. 110
  13. 324
  14. 160
  15. 140
  16. 204
  17. 324
  18. 60
  19. 30
  20. 85
  21. 120
  22. 125
  23. 50
  24. 200
  25. 90
  26. 210
  27. 210
  28. 110
  29. 300
  30. 360
  31. 25
  32. 120
  33. 30
  34. 10
  35. 235
  36. 305
  37. 25
  38. 340
  39. 150
  40. 76

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