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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 46 · 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.Aarav spent ₹51, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  2. 2.Sara spent ₹19, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  3. 3.60% of a number is 177. What is the number?
  4. 4.12 is 20% of ?
  5. 5.195 is 60% of ?
  6. 6.20% of a number is 44. What is the number?
  7. 7.75% of a number is 285. What is the number?
  8. 8.156 is 80% of ?
  9. 9.Sara spent ₹6, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?
  10. 10.Aarav spent ₹93, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  11. 11.Dev spent ₹30, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  12. 12.Ishaan spent ₹9, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  13. 13.1 is 5% of ?
  14. 14.60% of a number is 18. What is the number?
  15. 15.12% of a number is 18. What is the number?
  16. 16.Aarav spent ₹4, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  17. 17.Dev spent ₹17, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  18. 18.248 is 80% of ?
  19. 19.5% of a number is 5. What is the number?
  20. 20.80 is 80% of ?
  21. 21.72 is 75% of ?
  22. 22.71 is 20% of ?
  23. 23.Arjun spent ₹88, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  24. 24.172 is 80% of ?
  25. 25.50% of a number is 122. What is the number?
  26. 26.75 is 25% of ?
  27. 27.Arjun spent ₹31, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  28. 28.Diya spent ₹50, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  29. 29.Riya spent ₹248, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  30. 30.25% of a number is 66. What is the number?
  31. 31.Diya spent ₹24, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  32. 32.50% of a number is 147. What is the number?
  33. 33.81 is 50% of ?
  34. 34.30% of a number is 45. What is the number?
  35. 35.Aarav spent ₹11, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  36. 36.15% of a number is 15. What is the number?
  37. 37.Dev spent ₹108, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  38. 38.10% of a number is 22. What is the number?
  39. 39.75% of a number is 180. What is the number?
  40. 40.Ishaan spent ₹108, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?

Answer key

  1. 68
  2. 38
  3. 295
  4. 60
  5. 325
  6. 220
  7. 380
  8. 195
  9. 40
  10. 372
  11. 150
  12. 30
  13. 20
  14. 30
  15. 150
  16. 40
  17. 170
  18. 310
  19. 100
  20. 100
  21. 96
  22. 355
  23. 352
  24. 215
  25. 244
  26. 300
  27. 310
  28. 125
  29. 310
  30. 264
  31. 80
  32. 294
  33. 162
  34. 150
  35. 110
  36. 100
  37. 135
  38. 220
  39. 240
  40. 360

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