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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 434 · 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. 1.225 is 60% of ?
  2. 2.20% of a number is 1. What is the number?
  3. 3.98 is 25% of ?
  4. 4.249 is 75% of ?
  5. 5.75% of a number is 54. What is the number?
  6. 6.51 is 15% of ?
  7. 7.Anaya spent ₹75, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  8. 8.30% of a number is 3. What is the number?
  9. 9.15% of a number is 27. What is the number?
  10. 10.Kabir spent ₹292, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  11. 11.Rohan spent ₹4, which is 40% of the pocket money. How much pocket money did Rohan have, in rupees?
  12. 12.24 is 15% of ?
  13. 13.Aarav spent ₹39, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  14. 14.Meera spent ₹97, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  15. 15.Dev spent ₹147, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  16. 16.12% of a number is 18. What is the number?
  17. 17.12 is 12% of ?
  18. 18.10% of a number is 37. What is the number?
  19. 19.20% of a number is 47. What is the number?
  20. 20.Diya spent ₹11, which is 50% of the pocket money. How much pocket money did Diya have, in rupees?
  21. 21.92 is 40% of ?
  22. 22.5% of a number is 12. What is the number?
  23. 23.60% of a number is 15. What is the number?
  24. 24.Isha spent ₹27, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  25. 25.49 is 20% of ?
  26. 26.20% of a number is 7. What is the number?
  27. 27.216 is 75% of ?
  28. 28.Dev spent ₹117, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  29. 29.232 is 80% of ?
  30. 30.75% of a number is 276. What is the number?
  31. 31.30% of a number is 27. What is the number?
  32. 32.40% of a number is 98. What is the number?
  33. 33.15% of a number is 48. What is the number?
  34. 34.6 is 5% of ?
  35. 35.57 is 15% of ?
  36. 36.60% of a number is 99. What is the number?
  37. 37.Ishaan spent ₹79, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  38. 38.20% of a number is 19. What is the number?
  39. 39.30% of a number is 75. What is the number?
  40. 40.75% of a number is 42. What is the number?

Answer key

  1. 375
  2. 5
  3. 392
  4. 332
  5. 72
  6. 340
  7. 375
  8. 10
  9. 180
  10. 365
  11. 10
  12. 160
  13. 390
  14. 388
  15. 196
  16. 150
  17. 100
  18. 370
  19. 235
  20. 22
  21. 230
  22. 240
  23. 25
  24. 45
  25. 245
  26. 35
  27. 288
  28. 156
  29. 290
  30. 368
  31. 90
  32. 245
  33. 320
  34. 120
  35. 380
  36. 165
  37. 158
  38. 95
  39. 250
  40. 56

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