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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 407 · 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.Riya spent ₹3, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  2. 2.40 is 10% of ?
  3. 3.Anaya spent ₹28, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  4. 4.10% of a number is 15. What is the number?
  5. 5.48 is 80% of ?
  6. 6.12% of a number is 30. What is the number?
  7. 7.25% of a number is 55. What is the number?
  8. 8.25% of a number is 26. What is the number?
  9. 9.Aarav spent ₹24, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  10. 10.50% of a number is 25. What is the number?
  11. 11.18 is 20% of ?
  12. 12.Isha spent ₹48, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?
  13. 13.15% of a number is 57. What is the number?
  14. 14.60% of a number is 96. What is the number?
  15. 15.40% of a number is 148. What is the number?
  16. 16.10% of a number is 38. What is the number?
  17. 17.300 is 80% of ?
  18. 18.50% of a number is 153. What is the number?
  19. 19.60% of a number is 9. What is the number?
  20. 20.Meera spent ₹2, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  21. 21.219 is 75% of ?
  22. 22.80% of a number is 276. What is the number?
  23. 23.12% of a number is 15. What is the number?
  24. 24.Ishaan spent ₹45, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  25. 25.Riya spent ₹276, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  26. 26.Anaya spent ₹63, which is 25% of the pocket money. How much pocket money did Anaya have, in rupees?
  27. 27.57 is 15% of ?
  28. 28.10% of a number is 27. What is the number?
  29. 29.Isha spent ₹93, which is 30% of the pocket money. How much pocket money did Isha have, in rupees?
  30. 30.15% of a number is 45. What is the number?
  31. 31.Isha spent ₹12, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  32. 32.Meera spent ₹10, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  33. 33.47 is 25% of ?
  34. 34.Isha spent ₹63, which is 30% of the pocket money. How much pocket money did Isha have, in rupees?
  35. 35.30% of a number is 111. What is the number?
  36. 36.Riya spent ₹38, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  37. 37.Rohan spent ₹175, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  38. 38.Meera spent ₹42, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  39. 39.50% of a number is 105. What is the number?
  40. 40.Dev spent ₹57, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?

Answer key

  1. 25
  2. 400
  3. 280
  4. 150
  5. 60
  6. 250
  7. 220
  8. 104
  9. 200
  10. 50
  11. 90
  12. 400
  13. 380
  14. 160
  15. 370
  16. 380
  17. 375
  18. 306
  19. 15
  20. 10
  21. 292
  22. 345
  23. 125
  24. 375
  25. 345
  26. 252
  27. 380
  28. 270
  29. 310
  30. 300
  31. 80
  32. 200
  33. 188
  34. 210
  35. 370
  36. 95
  37. 350
  38. 280
  39. 210
  40. 190

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