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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 281 · 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. 1.300 is 80% of ?
  2. 2.Diya spent ₹6, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  3. 3.Ishaan spent ₹33, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  4. 4.50% of a number is 188. What is the number?
  5. 5.50% of a number is 156. What is the number?
  6. 6.30% of a number is 12. What is the number?
  7. 7.12% of a number is 15. What is the number?
  8. 8.Rohan spent ₹13, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  9. 9.Riya spent ₹225, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  10. 10.231 is 75% of ?
  11. 11.51 is 60% of ?
  12. 12.Isha spent ₹27, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  13. 13.42 is 15% of ?
  14. 14.6 is 5% of ?
  15. 15.14 is 10% of ?
  16. 16.40 is 10% of ?
  17. 17.Rohan spent ₹8, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  18. 18.Kabir spent ₹6, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  19. 19.Riya spent ₹111, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  20. 20.9 is 5% of ?
  21. 21.Sara spent ₹24, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  22. 22.5% of a number is 5. What is the number?
  23. 23.52 is 20% of ?
  24. 24.25% of a number is 85. What is the number?
  25. 25.Kabir spent ₹5, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  26. 26.Meera spent ₹280, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  27. 27.15 is 12% of ?
  28. 28.Meera spent ₹33, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  29. 29.15% of a number is 39. What is the number?
  30. 30.Isha spent ₹91, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  31. 31.Meera spent ₹210, which is 75% of the pocket money. How much pocket money did Meera have, in rupees?
  32. 32.16 is 25% of ?
  33. 33.133 is 50% of ?
  34. 34.20% of a number is 25. What is the number?
  35. 35.80% of a number is 72. What is the number?
  36. 36.Riya spent ₹21, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  37. 37.Diya spent ₹86, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  38. 38.60% of a number is 105. What is the number?
  39. 39.15% of a number is 45. What is the number?
  40. 40.272 is 80% of ?

Answer key

  1. 375
  2. 60
  3. 275
  4. 376
  5. 312
  6. 40
  7. 125
  8. 65
  9. 300
  10. 308
  11. 85
  12. 270
  13. 280
  14. 120
  15. 140
  16. 400
  17. 80
  18. 120
  19. 370
  20. 180
  21. 96
  22. 100
  23. 260
  24. 340
  25. 50
  26. 350
  27. 125
  28. 220
  29. 260
  30. 364
  31. 280
  32. 64
  33. 266
  34. 125
  35. 90
  36. 140
  37. 215
  38. 175
  39. 300
  40. 340

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