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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 500 · 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. 1.12% of a number is 42. What is the number?
  2. 2.15% of a number is 36. What is the number?
  3. 3.Diya spent ₹54, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  4. 4.40% of a number is 30. What is the number?
  5. 5.Isha spent ₹45, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  6. 6.252 is 80% of ?
  7. 7.60% of a number is 69. What is the number?
  8. 8.30 is 20% of ?
  9. 9.Kabir spent ₹96, which is 30% of the pocket money. How much pocket money did Kabir have, in rupees?
  10. 10.4 is 20% of ?
  11. 11.Ishaan spent ₹60, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  12. 12.50% of a number is 40. What is the number?
  13. 13.20% of a number is 28. What is the number?
  14. 14.20 is 40% of ?
  15. 15.60% of a number is 141. What is the number?
  16. 16.80% of a number is 52. What is the number?
  17. 17.30% of a number is 45. What is the number?
  18. 18.10% of a number is 5. What is the number?
  19. 19.294 is 75% of ?
  20. 20.51 is 15% of ?
  21. 21.30% of a number is 63. What is the number?
  22. 22.45 is 12% of ?
  23. 23.10% of a number is 13. What is the number?
  24. 24.30% of a number is 90. What is the number?
  25. 25.18 is 12% of ?
  26. 26.Arjun spent ₹58, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  27. 27.20% of a number is 56. What is the number?
  28. 28.20% of a number is 24. What is the number?
  29. 29.Riya spent ₹27, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  30. 30.15 is 15% of ?
  31. 31.237 is 60% of ?
  32. 32.7 is 10% of ?
  33. 33.75% of a number is 198. What is the number?
  34. 34.Meera spent ₹147, which is 75% of the pocket money. How much pocket money did Meera have, in rupees?
  35. 35.Rohan spent ₹12, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  36. 36.25% of a number is 96. What is the number?
  37. 37.Meera spent ₹42, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  38. 38.56 is 25% of ?
  39. 39.60% of a number is 192. What is the number?
  40. 40.Dev spent ₹3, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?

Answer key

  1. 350
  2. 240
  3. 180
  4. 75
  5. 225
  6. 315
  7. 115
  8. 150
  9. 320
  10. 20
  11. 200
  12. 80
  13. 140
  14. 50
  15. 235
  16. 65
  17. 150
  18. 50
  19. 392
  20. 340
  21. 210
  22. 375
  23. 130
  24. 300
  25. 150
  26. 145
  27. 280
  28. 120
  29. 180
  30. 100
  31. 395
  32. 70
  33. 264
  34. 196
  35. 48
  36. 384
  37. 140
  38. 224
  39. 320
  40. 10

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