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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 884 · 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. 1.35 is 20% of ?
  2. 2.Ishaan spent ₹18, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  3. 3.60% of a number is 195. What is the number?
  4. 4.15% of a number is 39. What is the number?
  5. 5.256 is 80% of ?
  6. 6.Anaya spent ₹216, which is 60% of the pocket money. How much pocket money did Anaya have, in rupees?
  7. 7.12% of a number is 12. What is the number?
  8. 8.40% of a number is 36. What is the number?
  9. 9.168 is 75% of ?
  10. 10.72 is 80% of ?
  11. 11.27 is 12% of ?
  12. 12.60 is 25% of ?
  13. 13.80% of a number is 124. What is the number?
  14. 14.6 is 15% of ?
  15. 15.45 is 60% of ?
  16. 16.10% of a number is 20. What is the number?
  17. 17.80% of a number is 176. What is the number?
  18. 18.Riya spent ₹192, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  19. 19.31 is 10% of ?
  20. 20.15% of a number is 24. What is the number?
  21. 21.12% of a number is 30. What is the number?
  22. 22.Isha spent ₹4, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  23. 23.Riya spent ₹3, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  24. 24.Aarav spent ₹69, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  25. 25.Sara spent ₹64, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  26. 26.15% of a number is 45. What is the number?
  27. 27.231 is 60% of ?
  28. 28.15% of a number is 30. What is the number?
  29. 29.38 is 10% of ?
  30. 30.50% of a number is 18. What is the number?
  31. 31.64 is 20% of ?
  32. 32.Rohan spent ₹20, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  33. 33.10% of a number is 40. What is the number?
  34. 34.Meera spent ₹17, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  35. 35.182 is 50% of ?
  36. 36.20 is 80% of ?
  37. 37.80% of a number is 84. What is the number?
  38. 38.27 is 15% of ?
  39. 39.80% of a number is 172. What is the number?
  40. 40.30% of a number is 78. What is the number?

Answer key

  1. 175
  2. 150
  3. 325
  4. 260
  5. 320
  6. 360
  7. 100
  8. 90
  9. 224
  10. 90
  11. 225
  12. 240
  13. 155
  14. 40
  15. 75
  16. 200
  17. 220
  18. 256
  19. 310
  20. 160
  21. 250
  22. 40
  23. 25
  24. 230
  25. 80
  26. 300
  27. 385
  28. 200
  29. 380
  30. 36
  31. 320
  32. 80
  33. 400
  34. 68
  35. 364
  36. 25
  37. 105
  38. 180
  39. 215
  40. 260

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