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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 643 · 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.Isha spent ₹39, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  2. 2.3 is 15% of ?
  3. 3.15% of a number is 60. What is the number?
  4. 4.Riya spent ₹30, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  5. 5.40% of a number is 124. What is the number?
  6. 6.75% of a number is 213. What is the number?
  7. 7.50% of a number is 116. What is the number?
  8. 8.15% of a number is 51. What is the number?
  9. 9.Dev spent ₹71, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  10. 10.Arjun spent ₹33, which is 15% of the pocket money. How much pocket money did Arjun have, in rupees?
  11. 11.21 is 15% of ?
  12. 12.54 is 40% of ?
  13. 13.Dev spent ₹112, which is 40% of the pocket money. How much pocket money did Dev have, in rupees?
  14. 14.20 is 5% of ?
  15. 15.75% of a number is 162. What is the number?
  16. 16.12% of a number is 9. What is the number?
  17. 17.45 is 15% of ?
  18. 18.50% of a number is 25. What is the number?
  19. 19.80% of a number is 68. What is the number?
  20. 20.Isha spent ₹36, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?
  21. 21.Rohan spent ₹42, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  22. 22.27 is 15% of ?
  23. 23.50% of a number is 18. What is the number?
  24. 24.55 is 20% of ?
  25. 25.12 is 12% of ?
  26. 26.Meera spent ₹39, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  27. 27.1 is 25% of ?
  28. 28.Arjun spent ₹150, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  29. 29.6 is 25% of ?
  30. 30.Meera spent ₹13, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  31. 31.Aarav spent ₹24, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  32. 32.30 is 15% of ?
  33. 33.Rohan spent ₹312, which is 80% of the pocket money. How much pocket money did Rohan have, in rupees?
  34. 34.280 is 80% of ?
  35. 35.80% of a number is 144. What is the number?
  36. 36.Diya spent ₹27, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  37. 37.60% of a number is 108. What is the number?
  38. 38.34 is 50% of ?
  39. 39.Isha spent ₹18, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  40. 40.60% of a number is 48. What is the number?

Answer key

  1. 260
  2. 20
  3. 400
  4. 100
  5. 310
  6. 284
  7. 232
  8. 340
  9. 284
  10. 220
  11. 140
  12. 135
  13. 280
  14. 400
  15. 216
  16. 75
  17. 300
  18. 50
  19. 85
  20. 300
  21. 280
  22. 180
  23. 36
  24. 275
  25. 100
  26. 260
  27. 4
  28. 375
  29. 24
  30. 260
  31. 48
  32. 200
  33. 390
  34. 350
  35. 180
  36. 225
  37. 180
  38. 68
  39. 120
  40. 80

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