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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 495 · 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. 1.5% of a number is 19. What is the number?
  2. 2.Arjun spent ₹20, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  3. 3.Arjun spent ₹108, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?
  4. 4.15% of a number is 9. What is the number?
  5. 5.81 is 30% of ?
  6. 6.20% of a number is 72. What is the number?
  7. 7.12% of a number is 15. What is the number?
  8. 8.21 is 12% of ?
  9. 9.75% of a number is 117. What is the number?
  10. 10.30% of a number is 15. What is the number?
  11. 11.15% of a number is 27. What is the number?
  12. 12.28 is 20% of ?
  13. 13.30% of a number is 114. What is the number?
  14. 14.9 is 30% of ?
  15. 15.Isha spent ₹16, which is 5% of the pocket money. How much pocket money did Isha have, in rupees?
  16. 16.10% of a number is 36. What is the number?
  17. 17.10% of a number is 2. What is the number?
  18. 18.Ishaan spent ₹7, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  19. 19.50% of a number is 160. What is the number?
  20. 20.102 is 60% of ?
  21. 21.20% of a number is 41. What is the number?
  22. 22.Anaya spent ₹54, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  23. 23.Riya spent ₹23, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  24. 24.Meera spent ₹24, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  25. 25.25% of a number is 80. What is the number?
  26. 26.50 is 20% of ?
  27. 27.10% of a number is 16. What is the number?
  28. 28.183 is 50% of ?
  29. 29.18 is 12% of ?
  30. 30.75% of a number is 201. What is the number?
  31. 31.Meera spent ₹75, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  32. 32.25% of a number is 24. What is the number?
  33. 33.20% of a number is 42. What is the number?
  34. 34.45 is 15% of ?
  35. 35.80% of a number is 232. What is the number?
  36. 36.15% of a number is 3. What is the number?
  37. 37.10% of a number is 20. What is the number?
  38. 38.Meera spent ₹23, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  39. 39.10% of a number is 7. What is the number?
  40. 40.75% of a number is 297. What is the number?

Answer key

  1. 380
  2. 25
  3. 360
  4. 60
  5. 270
  6. 360
  7. 125
  8. 175
  9. 156
  10. 50
  11. 180
  12. 140
  13. 380
  14. 30
  15. 320
  16. 360
  17. 20
  18. 28
  19. 320
  20. 170
  21. 205
  22. 72
  23. 92
  24. 200
  25. 320
  26. 250
  27. 160
  28. 366
  29. 150
  30. 268
  31. 250
  32. 96
  33. 210
  34. 300
  35. 290
  36. 20
  37. 200
  38. 115
  39. 70
  40. 396

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