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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 340 · 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. 1.10% of a number is 14. What is the number?
  2. 2.10% of a number is 28. What is the number?
  3. 3.2 is 5% of ?
  4. 4.5% of a number is 20. What is the number?
  5. 5.5% of a number is 6. What is the number?
  6. 6.Aarav spent ₹3, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  7. 7.20% of a number is 44. What is the number?
  8. 8.30% of a number is 81. What is the number?
  9. 9.6 is 12% of ?
  10. 10.75% of a number is 18. What is the number?
  11. 11.30% of a number is 39. What is the number?
  12. 12.5% of a number is 3. What is the number?
  13. 13.26 is 40% of ?
  14. 14.187 is 50% of ?
  15. 15.15% of a number is 36. What is the number?
  16. 16.80% of a number is 272. What is the number?
  17. 17.60% of a number is 177. What is the number?
  18. 18.25% of a number is 1. What is the number?
  19. 19.Anaya spent ₹2, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  20. 20.18 is 30% of ?
  21. 21.Riya spent ₹19, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  22. 22.50% of a number is 104. What is the number?
  23. 23.50% of a number is 48. What is the number?
  24. 24.15% of a number is 45. What is the number?
  25. 25.157 is 50% of ?
  26. 26.12% of a number is 12. What is the number?
  27. 27.Dev spent ₹136, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  28. 28.198 is 60% of ?
  29. 29.Anaya spent ₹29, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  30. 30.20% of a number is 54. What is the number?
  31. 31.5% of a number is 2. What is the number?
  32. 32.50% of a number is 140. What is the number?
  33. 33.96 is 30% of ?
  34. 34.5% of a number is 15. What is the number?
  35. 35.75% of a number is 123. What is the number?
  36. 36.75% of a number is 228. What is the number?
  37. 37.40% of a number is 134. What is the number?
  38. 38.80% of a number is 20. What is the number?
  39. 39.20% of a number is 9. What is the number?
  40. 40.Dev spent ₹18, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?

Answer key

  1. 140
  2. 280
  3. 40
  4. 400
  5. 120
  6. 15
  7. 220
  8. 270
  9. 50
  10. 24
  11. 130
  12. 60
  13. 65
  14. 374
  15. 240
  16. 340
  17. 295
  18. 4
  19. 10
  20. 60
  21. 190
  22. 208
  23. 96
  24. 300
  25. 314
  26. 100
  27. 170
  28. 330
  29. 290
  30. 270
  31. 40
  32. 280
  33. 320
  34. 300
  35. 164
  36. 304
  37. 335
  38. 25
  39. 45
  40. 60

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