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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 378 · 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 15% of ?
  2. 2.Dev spent ₹15, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  3. 3.24 is 20% of ?
  4. 4.75% of a number is 24. What is the number?
  5. 5.75% of a number is 183. What is the number?
  6. 6.260 is 80% of ?
  7. 7.Aarav spent ₹256, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  8. 8.10% of a number is 14. What is the number?
  9. 9.Anaya spent ₹60, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  10. 10.27 is 12% of ?
  11. 11.9 is 10% of ?
  12. 12.60% of a number is 42. What is the number?
  13. 13.10% of a number is 17. What is the number?
  14. 14.18 is 20% of ?
  15. 15.20% of a number is 52. What is the number?
  16. 16.5% of a number is 17. What is the number?
  17. 17.186 is 75% of ?
  18. 18.Riya spent ₹8, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  19. 19.Aarav spent ₹234, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  20. 20.3 is 60% of ?
  21. 21.Kabir spent ₹15, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  22. 22.12% of a number is 33. What is the number?
  23. 23.Rohan spent ₹34, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  24. 24.Meera spent ₹110, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  25. 25.12% of a number is 42. What is the number?
  26. 26.Anaya spent ₹20, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  27. 27.21 is 15% of ?
  28. 28.14 is 20% of ?
  29. 29.75% of a number is 270. What is the number?
  30. 30.84 is 60% of ?
  31. 31.80% of a number is 268. What is the number?
  32. 32.Anaya spent ₹57, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  33. 33.Diya spent ₹17, which is 5% of the pocket money. How much pocket money did Diya have, in rupees?
  34. 34.60% of a number is 39. What is the number?
  35. 35.Kabir spent ₹156, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  36. 36.96 is 80% of ?
  37. 37.Sara spent ₹92, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  38. 38.15% of a number is 21. What is the number?
  39. 39.30% of a number is 9. What is the number?
  40. 40.Isha spent ₹93, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?

Answer key

  1. 20
  2. 75
  3. 120
  4. 32
  5. 244
  6. 325
  7. 320
  8. 140
  9. 300
  10. 225
  11. 90
  12. 70
  13. 170
  14. 90
  15. 260
  16. 340
  17. 248
  18. 16
  19. 312
  20. 5
  21. 150
  22. 275
  23. 170
  24. 220
  25. 350
  26. 200
  27. 140
  28. 70
  29. 360
  30. 140
  31. 335
  32. 380
  33. 340
  34. 65
  35. 260
  36. 120
  37. 115
  38. 140
  39. 30
  40. 372

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