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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 471 · 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. 1.80% of a number is 168. What is the number?
  2. 2.Sara spent ₹57, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  3. 3.130 is 40% of ?
  4. 4.24 is 15% of ?
  5. 5.70 is 40% of ?
  6. 6.Kabir spent ₹51, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  7. 7.Diya spent ₹69, which is 50% of the pocket money. How much pocket money did Diya have, in rupees?
  8. 8.Aarav spent ₹244, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  9. 9.45 is 12% of ?
  10. 10.11 is 5% of ?
  11. 11.Diya spent ₹30, which is 15% of the pocket money. How much pocket money did Diya have, in rupees?
  12. 12.5% of a number is 3. What is the number?
  13. 13.105 is 30% of ?
  14. 14.30% of a number is 21. What is the number?
  15. 15.40% of a number is 90. What is the number?
  16. 16.12 is 60% of ?
  17. 17.Sara spent ₹67, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  18. 18.Riya spent ₹84, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  19. 19.Kabir spent ₹33, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?
  20. 20.60% of a number is 204. What is the number?
  21. 21.Isha spent ₹320, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  22. 22.Dev spent ₹68, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  23. 23.20 is 40% of ?
  24. 24.Riya spent ₹15, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  25. 25.50 is 25% of ?
  26. 26.Meera spent ₹72, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  27. 27.60% of a number is 222. What is the number?
  28. 28.20% of a number is 25. What is the number?
  29. 29.39 is 12% of ?
  30. 30.Isha spent ₹10, which is 5% of the pocket money. How much pocket money did Isha have, in rupees?
  31. 31.60% of a number is 108. What is the number?
  32. 32.Riya spent ₹23, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  33. 33.Anaya spent ₹102, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  34. 34.10% of a number is 22. What is the number?
  35. 35.144 is 75% of ?
  36. 36.Riya spent ₹4, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  37. 37.Riya spent ₹63, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  38. 38.Riya spent ₹48, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  39. 39.111 is 30% of ?
  40. 40.12% of a number is 27. What is the number?

Answer key

  1. 210
  2. 285
  3. 325
  4. 160
  5. 175
  6. 255
  7. 138
  8. 305
  9. 375
  10. 220
  11. 200
  12. 60
  13. 350
  14. 70
  15. 225
  16. 20
  17. 268
  18. 210
  19. 275
  20. 340
  21. 400
  22. 340
  23. 50
  24. 300
  25. 200
  26. 288
  27. 370
  28. 125
  29. 325
  30. 200
  31. 180
  32. 230
  33. 204
  34. 220
  35. 192
  36. 20
  37. 105
  38. 320
  39. 370
  40. 225

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