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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 730 · 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. 1.20 is 20% of ?
  2. 2.30% of a number is 42. What is the number?
  3. 3.48 is 15% of ?
  4. 4.73 is 25% of ?
  5. 5.80% of a number is 64. What is the number?
  6. 6.Riya spent ₹244, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  7. 7.132 is 40% of ?
  8. 8.Sara spent ₹117, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  9. 9.97 is 25% of ?
  10. 10.30% of a number is 69. What is the number?
  11. 11.Anaya spent ₹36, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  12. 12.50% of a number is 64. What is the number?
  13. 13.20% of a number is 59. What is the number?
  14. 14.105 is 30% of ?
  15. 15.Anaya spent ₹27, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  16. 16.89 is 25% of ?
  17. 17.Isha spent ₹187, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  18. 18.80% of a number is 196. What is the number?
  19. 19.85 is 25% of ?
  20. 20.15% of a number is 27. What is the number?
  21. 21.75 is 20% of ?
  22. 22.Arjun spent ₹213, which is 60% of the pocket money. How much pocket money did Arjun have, in rupees?
  23. 23.Aarav spent ₹6, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  24. 24.80% of a number is 236. What is the number?
  25. 25.15% of a number is 12. What is the number?
  26. 26.64 is 80% of ?
  27. 27.Riya spent ₹152, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  28. 28.164 is 50% of ?
  29. 29.33 is 30% of ?
  30. 30.Diya spent ₹100, which is 80% of the pocket money. How much pocket money did Diya have, in rupees?
  31. 31.Dev spent ₹83, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  32. 32.10% of a number is 19. What is the number?
  33. 33.15% of a number is 39. What is the number?
  34. 34.Rohan spent ₹16, which is 40% of the pocket money. How much pocket money did Rohan have, in rupees?
  35. 35.Dev spent ₹77, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  36. 36.7 is 25% of ?
  37. 37.10% of a number is 27. What is the number?
  38. 38.15% of a number is 30. What is the number?
  39. 39.12 is 20% of ?
  40. 40.213 is 75% of ?

Answer key

  1. 100
  2. 140
  3. 320
  4. 292
  5. 80
  6. 305
  7. 330
  8. 390
  9. 388
  10. 230
  11. 240
  12. 128
  13. 295
  14. 350
  15. 36
  16. 356
  17. 374
  18. 245
  19. 340
  20. 180
  21. 375
  22. 355
  23. 120
  24. 295
  25. 80
  26. 80
  27. 304
  28. 328
  29. 110
  30. 125
  31. 332
  32. 190
  33. 260
  34. 40
  35. 385
  36. 28
  37. 270
  38. 200
  39. 60
  40. 284

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