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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 104 · 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. 1.33 is 30% of ?
  2. 2.168 is 50% of ?
  3. 3.15% of a number is 3. What is the number?
  4. 4.60% of a number is 51. What is the number?
  5. 5.Aarav spent ₹43, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  6. 6.25% of a number is 22. What is the number?
  7. 7.192 is 60% of ?
  8. 8.15% of a number is 42. What is the number?
  9. 9.15% of a number is 18. What is the number?
  10. 10.74 is 25% of ?
  11. 11.50% of a number is 43. What is the number?
  12. 12.10% of a number is 24. What is the number?
  13. 13.25% of a number is 100. What is the number?
  14. 14.Dev spent ₹66, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  15. 15.Arjun spent ₹52, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  16. 16.Dev spent ₹42, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  17. 17.50% of a number is 41. What is the number?
  18. 18.25% of a number is 50. What is the number?
  19. 19.75% of a number is 120. What is the number?
  20. 20.Isha spent ₹15, which is 30% of the pocket money. How much pocket money did Isha have, in rupees?
  21. 21.3 is 5% of ?
  22. 22.Aarav spent ₹24, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  23. 23.Sara spent ₹26, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  24. 24.32 is 10% of ?
  25. 25.129 is 50% of ?
  26. 26.Anaya spent ₹35, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  27. 27.20% of a number is 45. What is the number?
  28. 28.Kabir spent ₹3, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?
  29. 29.12 is 10% of ?
  30. 30.Dev spent ₹9, which is 12% of the pocket money. How much pocket money did Dev have, in rupees?
  31. 31.Ishaan spent ₹27, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  32. 32.40% of a number is 24. What is the number?
  33. 33.74 is 40% of ?
  34. 34.50% of a number is 97. What is the number?
  35. 35.Meera spent ₹21, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  36. 36.15% of a number is 48. What is the number?
  37. 37.Dev spent ₹232, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  38. 38.219 is 75% of ?
  39. 39.80% of a number is 176. What is the number?
  40. 40.Diya spent ₹102, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?

Answer key

  1. 110
  2. 336
  3. 20
  4. 85
  5. 215
  6. 88
  7. 320
  8. 280
  9. 120
  10. 296
  11. 86
  12. 240
  13. 400
  14. 132
  15. 130
  16. 56
  17. 82
  18. 200
  19. 160
  20. 50
  21. 60
  22. 200
  23. 104
  24. 320
  25. 258
  26. 350
  27. 225
  28. 25
  29. 120
  30. 75
  31. 180
  32. 60
  33. 185
  34. 194
  35. 175
  36. 320
  37. 290
  38. 292
  39. 220
  40. 340

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