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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 90 · 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. 1.3 is 30% of ?
  2. 2.25% of a number is 69. What is the number?
  3. 3.10% of a number is 36. What is the number?
  4. 4.Aarav spent ₹267, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  5. 5.60% of a number is 231. What is the number?
  6. 6.Arjun spent ₹35, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  7. 7.25% of a number is 80. What is the number?
  8. 8.50% of a number is 1. What is the number?
  9. 9.30% of a number is 48. What is the number?
  10. 10.5% of a number is 15. What is the number?
  11. 11.78 is 20% of ?
  12. 12.12% of a number is 15. What is the number?
  13. 13.25% of a number is 91. What is the number?
  14. 14.30% of a number is 99. What is the number?
  15. 15.75% of a number is 135. What is the number?
  16. 16.10% of a number is 3. What is the number?
  17. 17.Meera spent ₹50, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  18. 18.Sara spent ₹33, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  19. 19.Ishaan spent ₹1, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?
  20. 20.Kabir spent ₹85, which is 50% of the pocket money. How much pocket money did Kabir have, in rupees?
  21. 21.12 is 20% of ?
  22. 22.Anaya spent ₹33, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  23. 23.15% of a number is 57. What is the number?
  24. 24.20 is 5% of ?
  25. 25.10% of a number is 32. What is the number?
  26. 26.6 is 5% of ?
  27. 27.24 is 12% of ?
  28. 28.54 is 15% of ?
  29. 29.50% of a number is 138. What is the number?
  30. 30.Isha spent ₹2, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  31. 31.Aarav spent ₹24, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  32. 32.39 is 10% of ?
  33. 33.7 is 5% of ?
  34. 34.25% of a number is 55. What is the number?
  35. 35.75% of a number is 102. What is the number?
  36. 36.50% of a number is 146. What is the number?
  37. 37.64 is 50% of ?
  38. 38.Meera spent ₹36, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  39. 39.20% of a number is 49. What is the number?
  40. 40.144 is 60% of ?

Answer key

  1. 10
  2. 276
  3. 360
  4. 356
  5. 385
  6. 350
  7. 320
  8. 2
  9. 160
  10. 300
  11. 390
  12. 125
  13. 364
  14. 330
  15. 180
  16. 30
  17. 250
  18. 275
  19. 10
  20. 170
  21. 60
  22. 330
  23. 380
  24. 400
  25. 320
  26. 120
  27. 200
  28. 360
  29. 276
  30. 5
  31. 200
  32. 390
  33. 140
  34. 220
  35. 136
  36. 292
  37. 128
  38. 72
  39. 245
  40. 240

Free percentage lessons, practice and worksheets at talentjr.in/how-to-calculate-percentage