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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 572 · 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. 1.25% of a number is 95. What is the number?
  2. 2.Anaya spent ₹261, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  3. 3.5 is 20% of ?
  4. 4.24 is 15% of ?
  5. 5.Arjun spent ₹11, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?
  6. 6.138 is 60% of ?
  7. 7.Isha spent ₹320, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  8. 8.40% of a number is 96. What is the number?
  9. 9.12% of a number is 24. What is the number?
  10. 10.267 is 75% of ?
  11. 11.Riya spent ₹19, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  12. 12.Ishaan spent ₹8, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  13. 13.Ishaan spent ₹11, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?
  14. 14.105 is 30% of ?
  15. 15.114 is 60% of ?
  16. 16.68 is 50% of ?
  17. 17.12% of a number is 36. What is the number?
  18. 18.Aarav spent ₹39, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  19. 19.Meera spent ₹15, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  20. 20.Arjun spent ₹168, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  21. 21.60% of a number is 183. What is the number?
  22. 22.42 is 12% of ?
  23. 23.Anaya spent ₹30, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  24. 24.9 is 20% of ?
  25. 25.12% of a number is 30. What is the number?
  26. 26.60% of a number is 207. What is the number?
  27. 27.20% of a number is 49. What is the number?
  28. 28.Riya spent ₹51, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  29. 29.10% of a number is 20. What is the number?
  30. 30.19 is 5% of ?
  31. 31.Sara spent ₹120, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  32. 32.5% of a number is 4. What is the number?
  33. 33.15% of a number is 3. What is the number?
  34. 34.77 is 25% of ?
  35. 35.Diya spent ₹15, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  36. 36.60% of a number is 132. What is the number?
  37. 37.Diya spent ₹12, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  38. 38.5% of a number is 7. What is the number?
  39. 39.Riya spent ₹48, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  40. 40.37 is 50% of ?

Answer key

  1. 380
  2. 348
  3. 25
  4. 160
  5. 220
  6. 230
  7. 400
  8. 240
  9. 200
  10. 356
  11. 190
  12. 40
  13. 110
  14. 350
  15. 190
  16. 136
  17. 300
  18. 325
  19. 100
  20. 224
  21. 305
  22. 350
  23. 200
  24. 45
  25. 250
  26. 345
  27. 245
  28. 340
  29. 200
  30. 380
  31. 400
  32. 80
  33. 20
  34. 308
  35. 25
  36. 220
  37. 100
  38. 140
  39. 400
  40. 74

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