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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 137 · 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 14. What is the number?
  2. 2.25% of a number is 1. What is the number?
  3. 3.75% of a number is 117. What is the number?
  4. 4.Aarav spent ₹197, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  5. 5.25% of a number is 91. What is the number?
  6. 6.Arjun spent ₹5, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  7. 7.222 is 60% of ?
  8. 8.50% of a number is 138. What is the number?
  9. 9.9 is 15% of ?
  10. 10.26 is 40% of ?
  11. 11.12 is 12% of ?
  12. 12.15% of a number is 9. What is the number?
  13. 13.12% of a number is 30. What is the number?
  14. 14.13 is 25% of ?
  15. 15.10% of a number is 7. What is the number?
  16. 16.15 is 5% of ?
  17. 17.32 is 10% of ?
  18. 18.23 is 20% of ?
  19. 19.Sara spent ₹132, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  20. 20.57 is 15% of ?
  21. 21.36 is 15% of ?
  22. 22.Diya spent ₹2, which is 20% of the pocket money. How much pocket money did Diya have, in rupees?
  23. 23.10% of a number is 20. What is the number?
  24. 24.80 is 40% of ?
  25. 25.80% of a number is 232. What is the number?
  26. 26.40% of a number is 106. What is the number?
  27. 27.Anaya spent ₹8, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  28. 28.30 is 20% of ?
  29. 29.17 is 5% of ?
  30. 30.78 is 20% of ?
  31. 31.5% of a number is 7. What is the number?
  32. 32.26 is 10% of ?
  33. 33.156 is 80% of ?
  34. 34.Isha spent ₹42, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?
  35. 35.Ishaan spent ₹92, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  36. 36.12% of a number is 48. What is the number?
  37. 37.12% of a number is 24. What is the number?
  38. 38.Riya spent ₹82, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  39. 39.6 is 5% of ?
  40. 40.60% of a number is 21. What is the number?

Answer key

  1. 140
  2. 4
  3. 156
  4. 394
  5. 364
  6. 25
  7. 370
  8. 276
  9. 60
  10. 65
  11. 100
  12. 60
  13. 250
  14. 52
  15. 70
  16. 300
  17. 320
  18. 115
  19. 330
  20. 380
  21. 240
  22. 10
  23. 200
  24. 200
  25. 290
  26. 265
  27. 40
  28. 150
  29. 340
  30. 390
  31. 140
  32. 260
  33. 195
  34. 350
  35. 230
  36. 400
  37. 200
  38. 205
  39. 120
  40. 35

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