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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 544 · 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. 1.57 is 15% of ?
  2. 2.80% of a number is 320. What is the number?
  3. 3.75% of a number is 123. What is the number?
  4. 4.60% of a number is 12. What is the number?
  5. 5.Sara spent ₹12, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  6. 6.50% of a number is 8. What is the number?
  7. 7.60 is 60% of ?
  8. 8.Diya spent ₹74, which is 20% of the pocket money. How much pocket money did Diya have, in rupees?
  9. 9.25% of a number is 23. What is the number?
  10. 10.12% of a number is 21. What is the number?
  11. 11.34 is 10% of ?
  12. 12.12 is 12% of ?
  13. 13.13 is 5% of ?
  14. 14.24 is 12% of ?
  15. 15.164 is 80% of ?
  16. 16.122 is 40% of ?
  17. 17.80% of a number is 160. What is the number?
  18. 18.Aarav spent ₹24, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  19. 19.3 is 25% of ?
  20. 20.51 is 20% of ?
  21. 21.Rohan spent ₹112, which is 80% of the pocket money. How much pocket money did Rohan have, in rupees?
  22. 22.30% of a number is 75. What is the number?
  23. 23.Anaya spent ₹210, which is 60% of the pocket money. How much pocket money did Anaya have, in rupees?
  24. 24.90 is 60% of ?
  25. 25.10% of a number is 37. What is the number?
  26. 26.25% of a number is 65. What is the number?
  27. 27.5% of a number is 2. What is the number?
  28. 28.75% of a number is 141. What is the number?
  29. 29.Meera spent ₹24, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  30. 30.75% of a number is 6. What is the number?
  31. 31.75% of a number is 78. What is the number?
  32. 32.Isha spent ₹39, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?
  33. 33.3 is 12% of ?
  34. 34.Anaya spent ₹192, which is 60% of the pocket money. How much pocket money did Anaya have, in rupees?
  35. 35.Sara spent ₹24, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  36. 36.100 is 40% of ?
  37. 37.72 is 75% of ?
  38. 38.Ishaan spent ₹145, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  39. 39.15% of a number is 48. What is the number?
  40. 40.15% of a number is 27. What is the number?

Answer key

  1. 380
  2. 400
  3. 164
  4. 20
  5. 15
  6. 16
  7. 100
  8. 370
  9. 92
  10. 175
  11. 340
  12. 100
  13. 260
  14. 200
  15. 205
  16. 305
  17. 200
  18. 40
  19. 12
  20. 255
  21. 140
  22. 250
  23. 350
  24. 150
  25. 370
  26. 260
  27. 40
  28. 188
  29. 200
  30. 8
  31. 104
  32. 325
  33. 25
  34. 320
  35. 200
  36. 250
  37. 96
  38. 290
  39. 320
  40. 180

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