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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 596 · 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. 1.76 is 20% of ?
  2. 2.5% of a number is 15. What is the number?
  3. 3.40% of a number is 22. What is the number?
  4. 4.14 is 5% of ?
  5. 5.80% of a number is 240. What is the number?
  6. 6.80% of a number is 112. What is the number?
  7. 7.Sara spent ₹264, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  8. 8.Aarav spent ₹48, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  9. 9.5% of a number is 7. What is the number?
  10. 10.50% of a number is 20. What is the number?
  11. 11.25% of a number is 75. What is the number?
  12. 12.40% of a number is 110. What is the number?
  13. 13.Sara spent ₹246, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  14. 14.Sara spent ₹64, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  15. 15.17 is 5% of ?
  16. 16.312 is 80% of ?
  17. 17.25% of a number is 25. What is the number?
  18. 18.10% of a number is 8. What is the number?
  19. 19.Aarav spent ₹18, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  20. 20.Sara spent ₹99, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  21. 21.195 is 60% of ?
  22. 22.30% of a number is 60. What is the number?
  23. 23.50% of a number is 22. What is the number?
  24. 24.5% of a number is 8. What is the number?
  25. 25.Aarav spent ₹47, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  26. 26.69 is 60% of ?
  27. 27.Isha spent ₹15, which is 5% of the pocket money. How much pocket money did Isha have, in rupees?
  28. 28.10% of a number is 29. What is the number?
  29. 29.19 is 5% of ?
  30. 30.12% of a number is 42. What is the number?
  31. 31.75% of a number is 207. What is the number?
  32. 32.Diya spent ₹35, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  33. 33.Isha spent ₹2, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  34. 34.62 is 50% of ?
  35. 35.Riya spent ₹296, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  36. 36.60% of a number is 36. What is the number?
  37. 37.80% of a number is 36. What is the number?
  38. 38.40% of a number is 108. What is the number?
  39. 39.37 is 10% of ?
  40. 40.75% of a number is 210. What is the number?

Answer key

  1. 380
  2. 300
  3. 55
  4. 280
  5. 300
  6. 140
  7. 330
  8. 400
  9. 140
  10. 40
  11. 300
  12. 275
  13. 328
  14. 256
  15. 340
  16. 390
  17. 100
  18. 80
  19. 180
  20. 132
  21. 325
  22. 200
  23. 44
  24. 160
  25. 235
  26. 115
  27. 300
  28. 290
  29. 380
  30. 350
  31. 276
  32. 350
  33. 5
  34. 124
  35. 370
  36. 60
  37. 45
  38. 270
  39. 370
  40. 280

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