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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 222 · 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. 1.10% of a number is 8. What is the number?
  2. 2.50% of a number is 30. What is the number?
  3. 3.5 is 5% of ?
  4. 4.Dev spent ₹30, which is 15% of the pocket money. How much pocket money did Dev have, in rupees?
  5. 5.25% of a number is 47. What is the number?
  6. 6.Kabir spent ₹77, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  7. 7.Sara spent ₹164, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  8. 8.Dev spent ₹73, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  9. 9.15% of a number is 3. What is the number?
  10. 10.Riya spent ₹51, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  11. 11.Anaya spent ₹130, which is 40% of the pocket money. How much pocket money did Anaya have, in rupees?
  12. 12.124 is 40% of ?
  13. 13.40% of a number is 98. What is the number?
  14. 14.96 is 60% of ?
  15. 15.Aarav spent ₹48, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  16. 16.12% of a number is 39. What is the number?
  17. 17.40% of a number is 28. What is the number?
  18. 18.25% of a number is 18. What is the number?
  19. 19.5% of a number is 6. What is the number?
  20. 20.18 is 5% of ?
  21. 21.15% of a number is 24. What is the number?
  22. 22.9 is 30% of ?
  23. 23.69 is 50% of ?
  24. 24.52 is 20% of ?
  25. 25.20% of a number is 8. What is the number?
  26. 26.Kabir spent ₹92, which is 50% of the pocket money. How much pocket money did Kabir have, in rupees?
  27. 27.15% of a number is 57. What is the number?
  28. 28.25% of a number is 22. What is the number?
  29. 29.60% of a number is 30. What is the number?
  30. 30.Rohan spent ₹312, which is 80% of the pocket money. How much pocket money did Rohan have, in rupees?
  31. 31.55 is 25% of ?
  32. 32.36 is 10% of ?
  33. 33.1 is 10% of ?
  34. 34.Rohan spent ₹51, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  35. 35.Anaya spent ₹6, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  36. 36.60% of a number is 171. What is the number?
  37. 37.Diya spent ₹90, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  38. 38.10% of a number is 20. What is the number?
  39. 39.18 is 40% of ?
  40. 40.Sara spent ₹39, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?

Answer key

  1. 80
  2. 60
  3. 100
  4. 200
  5. 188
  6. 308
  7. 205
  8. 292
  9. 20
  10. 170
  11. 325
  12. 310
  13. 245
  14. 160
  15. 320
  16. 325
  17. 70
  18. 72
  19. 120
  20. 360
  21. 160
  22. 30
  23. 138
  24. 260
  25. 40
  26. 184
  27. 380
  28. 88
  29. 50
  30. 390
  31. 220
  32. 360
  33. 10
  34. 170
  35. 40
  36. 285
  37. 150
  38. 200
  39. 45
  40. 260

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