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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 96 · 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. 1.74 is 25% of ?
  2. 2.12 is 5% of ?
  3. 3.33 is 15% of ?
  4. 4.5% of a number is 15. What is the number?
  5. 5.28 is 10% of ?
  6. 6.Anaya spent ₹72, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  7. 7.112 is 80% of ?
  8. 8.Arjun spent ₹20, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?
  9. 9.20% of a number is 11. What is the number?
  10. 10.15% of a number is 45. What is the number?
  11. 11.82 is 50% of ?
  12. 12.10% of a number is 30. What is the number?
  13. 13.4 is 40% of ?
  14. 14.Kabir spent ₹296, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  15. 15.80% of a number is 220. What is the number?
  16. 16.15% of a number is 30. What is the number?
  17. 17.80% of a number is 172. What is the number?
  18. 18.12% of a number is 18. What is the number?
  19. 19.Sara spent ₹41, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  20. 20.30% of a number is 27. What is the number?
  21. 21.Anaya spent ₹57, which is 25% of the pocket money. How much pocket money did Anaya have, in rupees?
  22. 22.57 is 20% of ?
  23. 23.15 is 10% of ?
  24. 24.25% of a number is 81. What is the number?
  25. 25.Riya spent ₹32, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  26. 26.12% of a number is 15. What is the number?
  27. 27.100 is 40% of ?
  28. 28.39 is 75% of ?
  29. 29.35 is 25% of ?
  30. 30.Sara spent ₹60, which is 60% of the pocket money. How much pocket money did Sara have, in rupees?
  31. 31.42 is 12% of ?
  32. 32.Ishaan spent ₹42, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  33. 33.50% of a number is 143. What is the number?
  34. 34.60% of a number is 45. What is the number?
  35. 35.27 is 12% of ?
  36. 36.31 is 20% of ?
  37. 37.15% of a number is 36. What is the number?
  38. 38.Anaya spent ₹27, which is 60% of the pocket money. How much pocket money did Anaya have, in rupees?
  39. 39.Meera spent ₹148, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  40. 40.10% of a number is 9. What is the number?

Answer key

  1. 296
  2. 240
  3. 220
  4. 300
  5. 280
  6. 360
  7. 140
  8. 400
  9. 55
  10. 300
  11. 164
  12. 300
  13. 10
  14. 370
  15. 275
  16. 200
  17. 215
  18. 150
  19. 205
  20. 90
  21. 228
  22. 285
  23. 150
  24. 324
  25. 40
  26. 125
  27. 250
  28. 52
  29. 140
  30. 100
  31. 350
  32. 105
  33. 286
  34. 75
  35. 225
  36. 155
  37. 240
  38. 45
  39. 185
  40. 90

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