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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 619 · 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. 1.15% of a number is 54. What is the number?
  2. 2.Anaya spent ₹2, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  3. 3.Isha spent ₹39, which is 30% of the pocket money. How much pocket money did Isha have, in rupees?
  4. 4.75% of a number is 12. What is the number?
  5. 5.Dev spent ₹15, which is 12% of the pocket money. How much pocket money did Dev have, in rupees?
  6. 6.Meera spent ₹72, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  7. 7.25% of a number is 66. What is the number?
  8. 8.42 is 12% of ?
  9. 9.Ishaan spent ₹201, which is 60% of the pocket money. How much pocket money did Ishaan have, in rupees?
  10. 10.42 is 40% of ?
  11. 11.Aarav spent ₹224, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  12. 12.Meera spent ₹20, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  13. 13.10% of a number is 30. What is the number?
  14. 14.40% of a number is 92. What is the number?
  15. 15.Diya spent ₹54, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  16. 16.50% of a number is 21. What is the number?
  17. 17.20% of a number is 18. What is the number?
  18. 18.78 is 60% of ?
  19. 19.200 is 50% of ?
  20. 20.6 is 5% of ?
  21. 21.Diya spent ₹210, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  22. 22.Arjun spent ₹3, which is 60% of the pocket money. How much pocket money did Arjun have, in rupees?
  23. 23.Kabir spent ₹10, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  24. 24.80% of a number is 100. What is the number?
  25. 25.60% of a number is 237. What is the number?
  26. 26.Dev spent ₹105, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  27. 27.40% of a number is 96. What is the number?
  28. 28.42 is 60% of ?
  29. 29.50% of a number is 135. What is the number?
  30. 30.12% of a number is 27. What is the number?
  31. 31.Riya spent ₹23, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  32. 32.Diya spent ₹4, which is 5% of the pocket money. How much pocket money did Diya have, in rupees?
  33. 33.Isha spent ₹255, which is 75% of the pocket money. How much pocket money did Isha have, in rupees?
  34. 34.75% of a number is 105. What is the number?
  35. 35.7 is 5% of ?
  36. 36.10% of a number is 34. What is the number?
  37. 37.5% of a number is 3. What is the number?
  38. 38.12% of a number is 15. What is the number?
  39. 39.Diya spent ₹20, which is 20% of the pocket money. How much pocket money did Diya have, in rupees?
  40. 40.Anaya spent ₹102, which is 40% of the pocket money. How much pocket money did Anaya have, in rupees?

Answer key

  1. 360
  2. 20
  3. 130
  4. 16
  5. 125
  6. 120
  7. 264
  8. 350
  9. 335
  10. 105
  11. 280
  12. 80
  13. 300
  14. 230
  15. 90
  16. 42
  17. 90
  18. 130
  19. 400
  20. 120
  21. 350
  22. 5
  23. 200
  24. 125
  25. 395
  26. 175
  27. 240
  28. 70
  29. 270
  30. 225
  31. 230
  32. 80
  33. 340
  34. 140
  35. 140
  36. 340
  37. 60
  38. 125
  39. 100
  40. 255

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