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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 431 · 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.

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  1. 1.105 is 50% of ?
  2. 2.25% of a number is 4. What is the number?
  3. 3.15% of a number is 18. What is the number?
  4. 4.3 is 30% of ?
  5. 5.Rohan spent ₹198, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  6. 6.Diya spent ₹48, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  7. 7.Riya spent ₹78, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  8. 8.90 is 30% of ?
  9. 9.10% of a number is 35. What is the number?
  10. 10.27 is 25% of ?
  11. 11.20% of a number is 48. What is the number?
  12. 12.5% of a number is 3. What is the number?
  13. 13.53 is 25% of ?
  14. 14.140 is 80% of ?
  15. 15.Kabir spent ₹20, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  16. 16.Riya spent ₹54, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  17. 17.14 is 5% of ?
  18. 18.30% of a number is 39. What is the number?
  19. 19.30% of a number is 117. What is the number?
  20. 20.Aarav spent ₹13, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  21. 21.Sara spent ₹57, which is 60% of the pocket money. How much pocket money did Sara have, in rupees?
  22. 22.Meera spent ₹189, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  23. 23.Arjun spent ₹47, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  24. 24.Isha spent ₹64, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  25. 25.111 is 30% of ?
  26. 26.72 is 60% of ?
  27. 27.Ishaan spent ₹48, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  28. 28.Rohan spent ₹91, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  29. 29.60% of a number is 18. What is the number?
  30. 30.40% of a number is 90. What is the number?
  31. 31.75% of a number is 12. What is the number?
  32. 32.Kabir spent ₹192, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  33. 33.4 is 5% of ?
  34. 34.30% of a number is 24. What is the number?
  35. 35.Aarav spent ₹89, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  36. 36.183 is 60% of ?
  37. 37.75% of a number is 153. What is the number?
  38. 38.10% of a number is 8. What is the number?
  39. 39.40% of a number is 160. What is the number?
  40. 40.42 is 12% of ?

Answer key

  1. 210
  2. 16
  3. 120
  4. 10
  5. 264
  6. 160
  7. 195
  8. 300
  9. 350
  10. 108
  11. 240
  12. 60
  13. 212
  14. 175
  15. 100
  16. 90
  17. 280
  18. 130
  19. 390
  20. 65
  21. 95
  22. 315
  23. 235
  24. 320
  25. 370
  26. 120
  27. 320
  28. 182
  29. 30
  30. 225
  31. 16
  32. 240
  33. 80
  34. 80
  35. 178
  36. 305
  37. 204
  38. 80
  39. 400
  40. 350

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