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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 651 · 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.Ishaan spent ₹39, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?
  2. 2.Arjun spent ₹84, which is 60% of the pocket money. How much pocket money did Arjun have, in rupees?
  3. 3.50% of a number is 146. What is the number?
  4. 4.79 is 20% of ?
  5. 5.40% of a number is 36. What is the number?
  6. 6.Dev spent ₹31, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  7. 7.25 is 10% of ?
  8. 8.120 is 30% of ?
  9. 9.Aarav spent ₹24, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  10. 10.18 is 5% of ?
  11. 11.20% of a number is 34. What is the number?
  12. 12.10% of a number is 34. What is the number?
  13. 13.60% of a number is 33. What is the number?
  14. 14.42 is 15% of ?
  15. 15.40% of a number is 150. What is the number?
  16. 16.Arjun spent ₹16, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  17. 17.Isha spent ₹48, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  18. 18.61 is 25% of ?
  19. 19.30% of a number is 39. What is the number?
  20. 20.Sara spent ₹30, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?
  21. 21.40% of a number is 24. What is the number?
  22. 22.20% of a number is 48. What is the number?
  23. 23.Kabir spent ₹27, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?
  24. 24.69 is 20% of ?
  25. 25.40% of a number is 108. What is the number?
  26. 26.5% of a number is 9. What is the number?
  27. 27.128 is 80% of ?
  28. 28.5% of a number is 2. What is the number?
  29. 29.Ishaan spent ₹4, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?
  30. 30.15% of a number is 36. What is the number?
  31. 31.50% of a number is 161. What is the number?
  32. 32.104 is 80% of ?
  33. 33.63 is 60% of ?
  34. 34.46 is 25% of ?
  35. 35.10% of a number is 1. What is the number?
  36. 36.80 is 50% of ?
  37. 37.10% of a number is 6. What is the number?
  38. 38.Isha spent ₹88, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  39. 39.40% of a number is 126. What is the number?
  40. 40.89 is 25% of ?

Answer key

  1. 390
  2. 140
  3. 292
  4. 395
  5. 90
  6. 62
  7. 250
  8. 400
  9. 160
  10. 360
  11. 170
  12. 340
  13. 55
  14. 280
  15. 375
  16. 160
  17. 80
  18. 244
  19. 130
  20. 200
  21. 60
  22. 240
  23. 225
  24. 345
  25. 270
  26. 180
  27. 160
  28. 40
  29. 40
  30. 240
  31. 322
  32. 130
  33. 105
  34. 184
  35. 10
  36. 160
  37. 60
  38. 220
  39. 315
  40. 356

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