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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 736 · 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. 1.68 is 40% of ?
  2. 2.15% of a number is 3. What is the number?
  3. 3.Anaya spent ₹27, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  4. 4.10% of a number is 11. What is the number?
  5. 5.4 is 25% of ?
  6. 6.13 is 5% of ?
  7. 7.57 is 15% of ?
  8. 8.Diya spent ₹21, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  9. 9.Diya spent ₹87, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  10. 10.12% of a number is 6. What is the number?
  11. 11.40% of a number is 56. What is the number?
  12. 12.Kabir spent ₹15, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?
  13. 13.30% of a number is 90. What is the number?
  14. 14.20% of a number is 33. What is the number?
  15. 15.20% of a number is 28. What is the number?
  16. 16.Riya spent ₹102, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  17. 17.80% of a number is 236. What is the number?
  18. 18.17 is 5% of ?
  19. 19.24 is 15% of ?
  20. 20.Kabir spent ₹9, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  21. 21.18 is 25% of ?
  22. 22.66 is 60% of ?
  23. 23.25 is 20% of ?
  24. 24.Aarav spent ₹15, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  25. 25.5% of a number is 8. What is the number?
  26. 26.280 is 80% of ?
  27. 27.12% of a number is 24. What is the number?
  28. 28.30% of a number is 117. What is the number?
  29. 29.31 is 20% of ?
  30. 30.30 is 75% of ?
  31. 31.70 is 40% of ?
  32. 32.Arjun spent ₹1, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  33. 33.Meera spent ₹81, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  34. 34.10% of a number is 19. What is the number?
  35. 35.18 is 10% of ?
  36. 36.30% of a number is 54. What is the number?
  37. 37.60 is 15% of ?
  38. 38.168 is 50% of ?
  39. 39.4 is 20% of ?
  40. 40.20 is 5% of ?

Answer key

  1. 170
  2. 20
  3. 180
  4. 110
  5. 16
  6. 260
  7. 380
  8. 70
  9. 145
  10. 50
  11. 140
  12. 125
  13. 300
  14. 165
  15. 140
  16. 255
  17. 295
  18. 340
  19. 160
  20. 90
  21. 72
  22. 110
  23. 125
  24. 50
  25. 160
  26. 350
  27. 200
  28. 390
  29. 155
  30. 40
  31. 175
  32. 10
  33. 324
  34. 190
  35. 180
  36. 180
  37. 400
  38. 336
  39. 20
  40. 400

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