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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 422 · 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. 1.90 is 30% of ?
  2. 2.Meera spent ₹39, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  3. 3.12% of a number is 9. What is the number?
  4. 4.75% of a number is 180. What is the number?
  5. 5.4 is 5% of ?
  6. 6.5% of a number is 5. What is the number?
  7. 7.60 is 30% of ?
  8. 8.Sara spent ₹28, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  9. 9.Isha spent ₹46, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  10. 10.25% of a number is 4. What is the number?
  11. 11.14 is 5% of ?
  12. 12.96 is 40% of ?
  13. 13.21 is 15% of ?
  14. 14.Meera spent ₹123, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  15. 15.Isha spent ₹12, which is 5% of the pocket money. How much pocket money did Isha have, in rupees?
  16. 16.Meera spent ₹12, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  17. 17.80% of a number is 124. What is the number?
  18. 18.Anaya spent ₹10, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  19. 19.21 is 60% of ?
  20. 20.30 is 60% of ?
  21. 21.Sara spent ₹72, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  22. 22.86 is 40% of ?
  23. 23.Riya spent ₹45, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  24. 24.16 is 20% of ?
  25. 25.Ishaan spent ₹73, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  26. 26.36 is 10% of ?
  27. 27.40% of a number is 10. What is the number?
  28. 28.Isha spent ₹15, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  29. 29.14 is 25% of ?
  30. 30.30% of a number is 6. What is the number?
  31. 31.252 is 75% of ?
  32. 32.Riya spent ₹27, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  33. 33.75% of a number is 246. What is the number?
  34. 34.29 is 10% of ?
  35. 35.4 is 10% of ?
  36. 36.120 is 30% of ?
  37. 37.Arjun spent ₹123, which is 60% of the pocket money. How much pocket money did Arjun have, in rupees?
  38. 38.40% of a number is 142. What is the number?
  39. 39.42 is 30% of ?
  40. 40.79 is 20% of ?

Answer key

  1. 300
  2. 325
  3. 75
  4. 240
  5. 80
  6. 100
  7. 200
  8. 280
  9. 115
  10. 16
  11. 280
  12. 240
  13. 140
  14. 246
  15. 240
  16. 120
  17. 155
  18. 100
  19. 35
  20. 50
  21. 144
  22. 215
  23. 375
  24. 80
  25. 292
  26. 360
  27. 25
  28. 25
  29. 56
  30. 20
  31. 336
  32. 90
  33. 328
  34. 290
  35. 40
  36. 400
  37. 205
  38. 355
  39. 140
  40. 395

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