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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 142 · 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.Isha spent ₹5, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  2. 2.Arjun spent ₹79, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  3. 3.Dev spent ₹18, which is 15% of the pocket money. How much pocket money did Dev have, in rupees?
  4. 4.26 is 10% of ?
  5. 5.25% of a number is 71. What is the number?
  6. 6.15% of a number is 12. What is the number?
  7. 7.35 is 10% of ?
  8. 8.Arjun spent ₹80, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  9. 9.Isha spent ₹3, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?
  10. 10.Meera spent ₹12, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  11. 11.Anaya spent ₹4, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  12. 12.30% of a number is 33. What is the number?
  13. 13.Isha spent ₹9, which is 30% of the pocket money. How much pocket money did Isha have, in rupees?
  14. 14.10% of a number is 40. What is the number?
  15. 15.20% of a number is 1. What is the number?
  16. 16.84 is 80% of ?
  17. 17.5% of a number is 6. What is the number?
  18. 18.17 is 20% of ?
  19. 19.Diya spent ₹4, which is 20% of the pocket money. How much pocket money did Diya have, in rupees?
  20. 20.17 is 10% of ?
  21. 21.Arjun spent ₹184, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  22. 22.25% of a number is 84. What is the number?
  23. 23.30% of a number is 54. What is the number?
  24. 24.Isha spent ₹79, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  25. 25.80% of a number is 192. What is the number?
  26. 26.66 is 30% of ?
  27. 27.Arjun spent ₹144, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  28. 28.12% of a number is 3. What is the number?
  29. 29.Isha spent ₹320, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  30. 30.Anaya spent ₹195, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  31. 31.31 is 10% of ?
  32. 32.33 is 15% of ?
  33. 33.20% of a number is 80. What is the number?
  34. 34.126 is 75% of ?
  35. 35.80 is 25% of ?
  36. 36.10% of a number is 9. What is the number?
  37. 37.88 is 25% of ?
  38. 38.Anaya spent ₹61, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  39. 39.12% of a number is 36. What is the number?
  40. 40.30% of a number is 42. What is the number?

Answer key

  1. 25
  2. 316
  3. 120
  4. 260
  5. 284
  6. 80
  7. 350
  8. 200
  9. 25
  10. 40
  11. 40
  12. 110
  13. 30
  14. 400
  15. 5
  16. 105
  17. 120
  18. 85
  19. 20
  20. 170
  21. 230
  22. 336
  23. 180
  24. 395
  25. 240
  26. 220
  27. 192
  28. 25
  29. 400
  30. 390
  31. 310
  32. 220
  33. 400
  34. 168
  35. 320
  36. 90
  37. 352
  38. 305
  39. 300
  40. 140

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