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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 681 · 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. 1.50% of a number is 155. What is the number?
  2. 2.120 is 30% of ?
  3. 3.80% of a number is 68. What is the number?
  4. 4.40% of a number is 12. What is the number?
  5. 5.45 is 12% of ?
  6. 6.40% of a number is 158. What is the number?
  7. 7.20% of a number is 49. What is the number?
  8. 8.Isha spent ₹18, which is 5% of the pocket money. How much pocket money did Isha have, in rupees?
  9. 9.Rohan spent ₹30, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  10. 10.10 is 25% of ?
  11. 11.75% of a number is 150. What is the number?
  12. 12.25% of a number is 18. What is the number?
  13. 13.126 is 60% of ?
  14. 14.Diya spent ₹124, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  15. 15.25% of a number is 8. What is the number?
  16. 16.60% of a number is 36. What is the number?
  17. 17.25% of a number is 3. What is the number?
  18. 18.5% of a number is 19. What is the number?
  19. 19.75% of a number is 159. What is the number?
  20. 20.Ishaan spent ₹21, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  21. 21.15% of a number is 18. What is the number?
  22. 22.15% of a number is 33. What is the number?
  23. 23.15% of a number is 21. What is the number?
  24. 24.20% of a number is 35. What is the number?
  25. 25.30% of a number is 54. What is the number?
  26. 26.Ishaan spent ₹18, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  27. 27.22 is 10% of ?
  28. 28.160 is 50% of ?
  29. 29.Isha spent ₹42, which is 75% of the pocket money. How much pocket money did Isha have, in rupees?
  30. 30.40% of a number is 60. What is the number?
  31. 31.146 is 40% of ?
  32. 32.Kabir spent ₹42, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?
  33. 33.308 is 80% of ?
  34. 34.15% of a number is 36. What is the number?
  35. 35.25% of a number is 15. What is the number?
  36. 36.Rohan spent ₹46, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  37. 37.Aarav spent ₹45, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  38. 38.11 is 10% of ?
  39. 39.25% of a number is 90. What is the number?
  40. 40.Anaya spent ₹67, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?

Answer key

  1. 310
  2. 400
  3. 85
  4. 30
  5. 375
  6. 395
  7. 245
  8. 360
  9. 200
  10. 40
  11. 200
  12. 72
  13. 210
  14. 310
  15. 32
  16. 60
  17. 12
  18. 380
  19. 212
  20. 175
  21. 120
  22. 220
  23. 140
  24. 175
  25. 180
  26. 45
  27. 220
  28. 320
  29. 56
  30. 150
  31. 365
  32. 350
  33. 385
  34. 240
  35. 60
  36. 230
  37. 150
  38. 110
  39. 360
  40. 335

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