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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 952 · 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.Arjun spent ₹22, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  2. 2.5% of a number is 6. What is the number?
  3. 3.84 is 80% of ?
  4. 4.Ishaan spent ₹123, which is 60% of the pocket money. How much pocket money did Ishaan have, in rupees?
  5. 5.60% of a number is 207. What is the number?
  6. 6.20% of a number is 34. What is the number?
  7. 7.50% of a number is 105. What is the number?
  8. 8.50% of a number is 136. What is the number?
  9. 9.10% of a number is 33. What is the number?
  10. 10.50% of a number is 183. What is the number?
  11. 11.Kabir spent ₹38, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  12. 12.18 is 40% of ?
  13. 13.Aarav spent ₹30, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  14. 14.Kabir spent ₹81, which is 30% of the pocket money. How much pocket money did Kabir have, in rupees?
  15. 15.50% of a number is 138. What is the number?
  16. 16.118 is 50% of ?
  17. 17.Sara spent ₹300, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  18. 18.134 is 50% of ?
  19. 19.32 is 20% of ?
  20. 20.60% of a number is 51. What is the number?
  21. 21.224 is 80% of ?
  22. 22.Ishaan spent ₹6, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  23. 23.Ishaan spent ₹29, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?
  24. 24.93 is 25% of ?
  25. 25.Kabir spent ₹80, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  26. 26.20% of a number is 7. What is the number?
  27. 27.34 is 10% of ?
  28. 28.Ishaan spent ₹30, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  29. 29.10% of a number is 24. What is the number?
  30. 30.Sara spent ₹30, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  31. 31.15 is 60% of ?
  32. 32.117 is 60% of ?
  33. 33.Rohan spent ₹69, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  34. 34.30 is 15% of ?
  35. 35.5% of a number is 1. What is the number?
  36. 36.60% of a number is 234. What is the number?
  37. 37.20% of a number is 17. What is the number?
  38. 38.1 is 25% of ?
  39. 39.30% of a number is 21. What is the number?
  40. 40.60 is 80% of ?

Answer key

  1. 55
  2. 120
  3. 105
  4. 205
  5. 345
  6. 170
  7. 210
  8. 272
  9. 330
  10. 366
  11. 95
  12. 45
  13. 300
  14. 270
  15. 276
  16. 236
  17. 400
  18. 268
  19. 160
  20. 85
  21. 280
  22. 30
  23. 290
  24. 372
  25. 400
  26. 35
  27. 340
  28. 250
  29. 240
  30. 250
  31. 25
  32. 195
  33. 230
  34. 200
  35. 20
  36. 390
  37. 85
  38. 4
  39. 70
  40. 75

Free percentage lessons, practice and worksheets at talentjr.in/how-to-calculate-percentage