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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 892 · 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. 1.48 is 50% of ?
  2. 2.Sara spent ₹18, which is 5% of the pocket money. How much pocket money did Sara have, in rupees?
  3. 3.252 is 80% of ?
  4. 4.15% of a number is 12. What is the number?
  5. 5.Arjun spent ₹21, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  6. 6.Dev spent ₹14, which is 5% of the pocket money. How much pocket money did Dev have, in rupees?
  7. 7.Sara spent ₹2, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  8. 8.60% of a number is 36. What is the number?
  9. 9.50% of a number is 15. What is the number?
  10. 10.99 is 60% of ?
  11. 11.82 is 25% of ?
  12. 12.75% of a number is 150. What is the number?
  13. 13.32 is 80% of ?
  14. 14.75% of a number is 297. What is the number?
  15. 15.Riya spent ₹5, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  16. 16.Meera spent ₹66, which is 75% of the pocket money. How much pocket money did Meera have, in rupees?
  17. 17.63 is 30% of ?
  18. 18.Aarav spent ₹1, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  19. 19.12% of a number is 3. What is the number?
  20. 20.5% of a number is 4. What is the number?
  21. 21.Dev spent ₹22, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  22. 22.62 is 25% of ?
  23. 23.Diya spent ₹30, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  24. 24.Diya spent ₹186, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  25. 25.20% of a number is 67. What is the number?
  26. 26.15% of a number is 39. What is the number?
  27. 27.Meera spent ₹102, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  28. 28.20% of a number is 26. What is the number?
  29. 29.10 is 10% of ?
  30. 30.Arjun spent ₹28, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  31. 31.30% of a number is 72. What is the number?
  32. 32.19 is 5% of ?
  33. 33.2 is 5% of ?
  34. 34.10% of a number is 15. What is the number?
  35. 35.Kabir spent ₹45, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  36. 36.Sara spent ₹28, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  37. 37.Ishaan spent ₹95, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  38. 38.75% of a number is 159. What is the number?
  39. 39.Sara spent ₹51, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  40. 40.75% of a number is 51. What is the number?

Answer key

  1. 96
  2. 360
  3. 315
  4. 80
  5. 84
  6. 280
  7. 5
  8. 60
  9. 30
  10. 165
  11. 328
  12. 200
  13. 40
  14. 396
  15. 100
  16. 88
  17. 210
  18. 2
  19. 25
  20. 80
  21. 220
  22. 248
  23. 50
  24. 310
  25. 335
  26. 260
  27. 170
  28. 130
  29. 100
  30. 35
  31. 240
  32. 380
  33. 40
  34. 150
  35. 225
  36. 280
  37. 380
  38. 212
  39. 204
  40. 68

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