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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 783 · 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. 1.15% of a number is 15. What is the number?
  2. 2.200 is 80% of ?
  3. 3.40% of a number is 98. What is the number?
  4. 4.27 is 60% of ?
  5. 5.Isha spent ₹144, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  6. 6.25% of a number is 91. What is the number?
  7. 7.Arjun spent ₹39, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  8. 8.15 is 12% of ?
  9. 9.Sara spent ₹48, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?
  10. 10.10% of a number is 18. What is the number?
  11. 11.57 is 15% of ?
  12. 12.33 is 15% of ?
  13. 13.17 is 5% of ?
  14. 14.10% of a number is 11. What is the number?
  15. 15.Aarav spent ₹60, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  16. 16.84 is 25% of ?
  17. 17.Kabir spent ₹23, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  18. 18.Riya spent ₹15, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  19. 19.12% of a number is 33. What is the number?
  20. 20.75% of a number is 162. What is the number?
  21. 21.Arjun spent ₹75, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?
  22. 22.35 is 10% of ?
  23. 23.3 is 12% of ?
  24. 24.75% of a number is 18. What is the number?
  25. 25.12% of a number is 24. What is the number?
  26. 26.Meera spent ₹172, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  27. 27.Dev spent ₹52, which is 40% of the pocket money. How much pocket money did Dev have, in rupees?
  28. 28.25 is 10% of ?
  29. 29.40% of a number is 48. What is the number?
  30. 30.Kabir spent ₹24, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  31. 31.18 is 25% of ?
  32. 32.30% of a number is 78. What is the number?
  33. 33.20% of a number is 79. What is the number?
  34. 34.50% of a number is 165. What is the number?
  35. 35.80% of a number is 80. What is the number?
  36. 36.5% of a number is 6. What is the number?
  37. 37.Aarav spent ₹42, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  38. 38.50% of a number is 24. What is the number?
  39. 39.68 is 20% of ?
  40. 40.Dev spent ₹32, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?

Answer key

  1. 100
  2. 250
  3. 245
  4. 45
  5. 360
  6. 364
  7. 156
  8. 125
  9. 320
  10. 180
  11. 380
  12. 220
  13. 340
  14. 110
  15. 300
  16. 336
  17. 92
  18. 100
  19. 275
  20. 216
  21. 250
  22. 350
  23. 25
  24. 24
  25. 200
  26. 344
  27. 130
  28. 250
  29. 120
  30. 240
  31. 72
  32. 260
  33. 395
  34. 330
  35. 100
  36. 120
  37. 56
  38. 48
  39. 340
  40. 320

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