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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 947 · 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. 1.5% of a number is 15. What is the number?
  2. 2.40% of a number is 54. What is the number?
  3. 3.5% of a number is 2. What is the number?
  4. 4.Ishaan spent ₹60, which is 60% of the pocket money. How much pocket money did Ishaan have, in rupees?
  5. 5.20% of a number is 13. What is the number?
  6. 6.60% of a number is 12. What is the number?
  7. 7.176 is 80% of ?
  8. 8.Ishaan spent ₹39, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  9. 9.Meera spent ₹85, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  10. 10.47 is 25% of ?
  11. 11.15 is 10% of ?
  12. 12.75% of a number is 261. What is the number?
  13. 13.57 is 20% of ?
  14. 14.Kabir spent ₹39, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  15. 15.Riya spent ₹144, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  16. 16.Dev spent ₹240, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  17. 17.25% of a number is 90. What is the number?
  18. 18.Dev spent ₹45, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  19. 19.144 is 40% of ?
  20. 20.Kabir spent ₹225, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  21. 21.Rohan spent ₹58, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  22. 22.Dev spent ₹67, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  23. 23.Meera spent ₹24, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  24. 24.12% of a number is 21. What is the number?
  25. 25.25% of a number is 56. What is the number?
  26. 26.12 is 15% of ?
  27. 27.Rohan spent ₹279, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  28. 28.92 is 50% of ?
  29. 29.15% of a number is 39. What is the number?
  30. 30.10% of a number is 29. What is the number?
  31. 31.178 is 50% of ?
  32. 32.12% of a number is 3. What is the number?
  33. 33.Sara spent ₹16, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  34. 34.40% of a number is 56. What is the number?
  35. 35.30% of a number is 18. What is the number?
  36. 36.Kabir spent ₹51, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  37. 37.Diya spent ₹11, which is 5% of the pocket money. How much pocket money did Diya have, in rupees?
  38. 38.30% of a number is 39. What is the number?
  39. 39.60% of a number is 57. What is the number?
  40. 40.Sara spent ₹11, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?

Answer key

  1. 300
  2. 135
  3. 40
  4. 100
  5. 65
  6. 20
  7. 220
  8. 260
  9. 170
  10. 188
  11. 150
  12. 348
  13. 285
  14. 260
  15. 360
  16. 320
  17. 360
  18. 60
  19. 360
  20. 375
  21. 116
  22. 335
  23. 200
  24. 175
  25. 224
  26. 80
  27. 372
  28. 184
  29. 260
  30. 290
  31. 356
  32. 25
  33. 20
  34. 140
  35. 60
  36. 204
  37. 220
  38. 130
  39. 95
  40. 110

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