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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 188 · 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. 1.80% of a number is 64. What is the number?
  2. 2.18 is 5% of ?
  3. 3.10% of a number is 32. What is the number?
  4. 4.106 is 50% of ?
  5. 5.75% of a number is 273. What is the number?
  6. 6.Dev spent ₹85, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  7. 7.11 is 10% of ?
  8. 8.5% of a number is 14. What is the number?
  9. 9.40% of a number is 94. What is the number?
  10. 10.160 is 40% of ?
  11. 11.78 is 20% of ?
  12. 12.10% of a number is 8. What is the number?
  13. 13.Aarav spent ₹37, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  14. 14.Aarav spent ₹2, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  15. 15.Diya spent ₹81, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  16. 16.201 is 60% of ?
  17. 17.60 is 30% of ?
  18. 18.10% of a number is 39. What is the number?
  19. 19.Isha spent ₹18, which is 30% of the pocket money. How much pocket money did Isha have, in rupees?
  20. 20.10% of a number is 15. What is the number?
  21. 21.Dev spent ₹37, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  22. 22.Anaya spent ₹18, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  23. 23.92 is 25% of ?
  24. 24.20% of a number is 29. What is the number?
  25. 25.4 is 5% of ?
  26. 26.19 is 10% of ?
  27. 27.84 is 80% of ?
  28. 28.80% of a number is 280. What is the number?
  29. 29.21 is 15% of ?
  30. 30.Kabir spent ₹33, which is 30% of the pocket money. How much pocket money did Kabir have, in rupees?
  31. 31.Aarav spent ₹30, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  32. 32.30 is 12% of ?
  33. 33.33 is 12% of ?
  34. 34.Kabir spent ₹14, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  35. 35.178 is 50% of ?
  36. 36.132 is 80% of ?
  37. 37.Meera spent ₹33, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  38. 38.Rohan spent ₹82, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  39. 39.40 is 25% of ?
  40. 40.52 is 20% of ?

Answer key

  1. 80
  2. 360
  3. 320
  4. 212
  5. 364
  6. 170
  7. 110
  8. 280
  9. 235
  10. 400
  11. 390
  12. 80
  13. 370
  14. 40
  15. 135
  16. 335
  17. 200
  18. 390
  19. 60
  20. 150
  21. 370
  22. 150
  23. 368
  24. 145
  25. 80
  26. 190
  27. 105
  28. 350
  29. 140
  30. 110
  31. 250
  32. 250
  33. 275
  34. 35
  35. 356
  36. 165
  37. 330
  38. 328
  39. 160
  40. 260

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