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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 106 · 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. 1.20% of a number is 58. What is the number?
  2. 2.77 is 25% of ?
  3. 3.9 is 5% of ?
  4. 4.60 is 80% of ?
  5. 5.20% of a number is 20. What is the number?
  6. 6.Rohan spent ₹39, which is 12% of the pocket money. How much pocket money did Rohan have, in rupees?
  7. 7.Kabir spent ₹28, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  8. 8.117 is 50% of ?
  9. 9.80% of a number is 272. What is the number?
  10. 10.Dev spent ₹45, which is 15% of the pocket money. How much pocket money did Dev have, in rupees?
  11. 11.60% of a number is 189. What is the number?
  12. 12.132 is 50% of ?
  13. 13.71 is 25% of ?
  14. 14.Rohan spent ₹38, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  15. 15.24 is 10% of ?
  16. 16.50% of a number is 161. What is the number?
  17. 17.48 is 15% of ?
  18. 18.60% of a number is 138. What is the number?
  19. 19.Ishaan spent ₹116, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  20. 20.10% of a number is 40. What is the number?
  21. 21.50% of a number is 187. What is the number?
  22. 22.Isha spent ₹96, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  23. 23.20% of a number is 19. What is the number?
  24. 24.30% of a number is 45. What is the number?
  25. 25.52 is 25% of ?
  26. 26.Rohan spent ₹120, which is 60% of the pocket money. How much pocket money did Rohan have, in rupees?
  27. 27.Arjun spent ₹73, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  28. 28.18 is 20% of ?
  29. 29.40% of a number is 160. What is the number?
  30. 30.Aarav spent ₹48, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  31. 31.Arjun spent ₹1, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  32. 32.Dev spent ₹104, which is 40% of the pocket money. How much pocket money did Dev have, in rupees?
  33. 33.3 is 5% of ?
  34. 34.10% of a number is 18. What is the number?
  35. 35.30% of a number is 105. What is the number?
  36. 36.53 is 20% of ?
  37. 37.Dev spent ₹68, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  38. 38.11 is 25% of ?
  39. 39.5% of a number is 6. What is the number?
  40. 40.60 is 30% of ?

Answer key

  1. 290
  2. 308
  3. 180
  4. 75
  5. 100
  6. 325
  7. 112
  8. 234
  9. 340
  10. 300
  11. 315
  12. 264
  13. 284
  14. 380
  15. 240
  16. 322
  17. 320
  18. 230
  19. 145
  20. 400
  21. 374
  22. 160
  23. 95
  24. 150
  25. 208
  26. 200
  27. 292
  28. 90
  29. 400
  30. 240
  31. 4
  32. 260
  33. 60
  34. 180
  35. 350
  36. 265
  37. 85
  38. 44
  39. 120
  40. 200

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