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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 185 · 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. 1.50% of a number is 32. What is the number?
  2. 2.75% of a number is 165. What is the number?
  3. 3.24 is 12% of ?
  4. 4.Isha spent ₹120, which is 30% of the pocket money. How much pocket money did Isha have, in rupees?
  5. 5.30% of a number is 72. What is the number?
  6. 6.66 is 40% of ?
  7. 7.Diya spent ₹28, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  8. 8.Dev spent ₹13, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  9. 9.96 is 60% of ?
  10. 10.80% of a number is 120. What is the number?
  11. 11.Aarav spent ₹2, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  12. 12.6 is 5% of ?
  13. 13.15% of a number is 24. What is the number?
  14. 14.34 is 40% of ?
  15. 15.78 is 30% of ?
  16. 16.24 is 80% of ?
  17. 17.15% of a number is 45. What is the number?
  18. 18.Dev spent ₹51, which is 15% of the pocket money. How much pocket money did Dev have, in rupees?
  19. 19.Ishaan spent ₹30, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  20. 20.20% of a number is 9. What is the number?
  21. 21.9 is 50% of ?
  22. 22.9 is 5% of ?
  23. 23.12% of a number is 18. What is the number?
  24. 24.Arjun spent ₹13, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?
  25. 25.216 is 80% of ?
  26. 26.Ishaan spent ₹48, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  27. 27.42 is 12% of ?
  28. 28.Rohan spent ₹33, which is 12% of the pocket money. How much pocket money did Rohan have, in rupees?
  29. 29.45 is 30% of ?
  30. 30.Aarav spent ₹26, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  31. 31.60% of a number is 234. What is the number?
  32. 32.192 is 80% of ?
  33. 33.Arjun spent ₹15, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  34. 34.10% of a number is 1. What is the number?
  35. 35.Rohan spent ₹68, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  36. 36.8 is 5% of ?
  37. 37.Anaya spent ₹15, which is 5% of the pocket money. How much pocket money did Anaya have, in rupees?
  38. 38.60 is 80% of ?
  39. 39.Riya spent ₹31, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  40. 40.Meera spent ₹71, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?

Answer key

  1. 64
  2. 220
  3. 200
  4. 400
  5. 240
  6. 165
  7. 112
  8. 130
  9. 160
  10. 150
  11. 40
  12. 120
  13. 160
  14. 85
  15. 260
  16. 30
  17. 300
  18. 340
  19. 200
  20. 45
  21. 18
  22. 180
  23. 150
  24. 260
  25. 270
  26. 320
  27. 350
  28. 275
  29. 150
  30. 260
  31. 390
  32. 240
  33. 150
  34. 10
  35. 272
  36. 160
  37. 300
  38. 75
  39. 310
  40. 284

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