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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 574 · 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. 1.6 is 30% of ?
  2. 2.66 is 30% of ?
  3. 3.25% of a number is 29. What is the number?
  4. 4.5% of a number is 18. What is the number?
  5. 5.15 is 10% of ?
  6. 6.Dev spent ₹57, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  7. 7.24 is 10% of ?
  8. 8.15% of a number is 9. What is the number?
  9. 9.Meera spent ₹1, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  10. 10.Anaya spent ₹45, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  11. 11.1 is 5% of ?
  12. 12.21 is 25% of ?
  13. 13.10% of a number is 16. What is the number?
  14. 14.Meera spent ₹244, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  15. 15.5% of a number is 13. What is the number?
  16. 16.21 is 12% of ?
  17. 17.4 is 20% of ?
  18. 18.Isha spent ₹27, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?
  19. 19.40% of a number is 52. What is the number?
  20. 20.142 is 40% of ?
  21. 21.7 is 5% of ?
  22. 22.Ishaan spent ₹6, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  23. 23.Riya spent ₹148, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  24. 24.Aarav spent ₹45, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  25. 25.60 is 15% of ?
  26. 26.Arjun spent ₹27, which is 15% of the pocket money. How much pocket money did Arjun have, in rupees?
  27. 27.30% of a number is 9. What is the number?
  28. 28.25% of a number is 7. What is the number?
  29. 29.40% of a number is 18. What is the number?
  30. 30.50% of a number is 169. What is the number?
  31. 31.39 is 60% of ?
  32. 32.4 is 5% of ?
  33. 33.80% of a number is 168. What is the number?
  34. 34.10% of a number is 26. What is the number?
  35. 35.Arjun spent ₹2, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  36. 36.75% of a number is 219. What is the number?
  37. 37.Riya spent ₹276, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  38. 38.Dev spent ₹41, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  39. 39.50% of a number is 28. What is the number?
  40. 40.Anaya spent ₹64, which is 40% of the pocket money. How much pocket money did Anaya have, in rupees?

Answer key

  1. 20
  2. 220
  3. 116
  4. 360
  5. 150
  6. 228
  7. 240
  8. 60
  9. 20
  10. 150
  11. 20
  12. 84
  13. 160
  14. 305
  15. 260
  16. 175
  17. 20
  18. 225
  19. 130
  20. 355
  21. 140
  22. 12
  23. 296
  24. 300
  25. 400
  26. 180
  27. 30
  28. 28
  29. 45
  30. 338
  31. 65
  32. 80
  33. 210
  34. 260
  35. 20
  36. 292
  37. 345
  38. 205
  39. 56
  40. 160

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