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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 915 · 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 20% of ?
  2. 2.74 is 25% of ?
  3. 3.12% of a number is 42. What is the number?
  4. 4.Arjun spent ₹61, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  5. 5.Aarav spent ₹10, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  6. 6.25% of a number is 18. What is the number?
  7. 7.5% of a number is 13. What is the number?
  8. 8.5% of a number is 16. What is the number?
  9. 9.Ishaan spent ₹54, which is 60% of the pocket money. How much pocket money did Ishaan have, in rupees?
  10. 10.Rohan spent ₹9, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  11. 11.10% of a number is 5. What is the number?
  12. 12.50% of a number is 121. What is the number?
  13. 13.Isha spent ₹51, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  14. 14.75% of a number is 240. What is the number?
  15. 15.2 is 50% of ?
  16. 16.20% of a number is 67. What is the number?
  17. 17.Arjun spent ₹38, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  18. 18.222 is 60% of ?
  19. 19.27 is 50% of ?
  20. 20.40% of a number is 70. What is the number?
  21. 21.80% of a number is 196. What is the number?
  22. 22.Meera spent ₹77, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  23. 23.60% of a number is 210. What is the number?
  24. 24.15% of a number is 3. What is the number?
  25. 25.60% of a number is 222. What is the number?
  26. 26.Ishaan spent ₹74, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  27. 27.60% of a number is 219. What is the number?
  28. 28.273 is 75% of ?
  29. 29.Sara spent ₹6, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  30. 30.135 is 50% of ?
  31. 31.75% of a number is 291. What is the number?
  32. 32.Isha spent ₹60, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  33. 33.Isha spent ₹23, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  34. 34.Kabir spent ₹25, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  35. 35.22 is 10% of ?
  36. 36.Meera spent ₹249, which is 75% of the pocket money. How much pocket money did Meera have, in rupees?
  37. 37.80% of a number is 40. What is the number?
  38. 38.20% of a number is 76. What is the number?
  39. 39.60 is 15% of ?
  40. 40.15% of a number is 54. What is the number?

Answer key

  1. 15
  2. 296
  3. 350
  4. 305
  5. 200
  6. 72
  7. 260
  8. 320
  9. 90
  10. 45
  11. 50
  12. 242
  13. 340
  14. 320
  15. 4
  16. 335
  17. 380
  18. 370
  19. 54
  20. 175
  21. 245
  22. 385
  23. 350
  24. 20
  25. 370
  26. 296
  27. 365
  28. 364
  29. 50
  30. 270
  31. 388
  32. 400
  33. 230
  34. 250
  35. 220
  36. 332
  37. 50
  38. 380
  39. 400
  40. 360

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