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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 883 · 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. 1.9 is 5% of ?
  2. 2.Ishaan spent ₹22, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  3. 3.Riya spent ₹21, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  4. 4.Rohan spent ₹94, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  5. 5.Ishaan spent ₹30, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  6. 6.33 is 30% of ?
  7. 7.Sara spent ₹120, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  8. 8.75% of a number is 198. What is the number?
  9. 9.25% of a number is 17. What is the number?
  10. 10.60% of a number is 60. What is the number?
  11. 11.80% of a number is 44. What is the number?
  12. 12.27 is 25% of ?
  13. 13.27 is 10% of ?
  14. 14.25% of a number is 12. What is the number?
  15. 15.10% of a number is 14. What is the number?
  16. 16.24 is 30% of ?
  17. 17.80% of a number is 124. What is the number?
  18. 18.Isha spent ₹81, which is 30% of the pocket money. How much pocket money did Isha have, in rupees?
  19. 19.20% of a number is 40. What is the number?
  20. 20.Diya spent ₹252, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  21. 21.25% of a number is 47. What is the number?
  22. 22.40% of a number is 136. What is the number?
  23. 23.Dev spent ₹14, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  24. 24.Diya spent ₹99, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  25. 25.65 is 20% of ?
  26. 26.30% of a number is 45. What is the number?
  27. 27.25% of a number is 97. What is the number?
  28. 28.30% of a number is 18. What is the number?
  29. 29.Isha spent ₹18, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  30. 30.26 is 40% of ?
  31. 31.Ishaan spent ₹62, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  32. 32.Isha spent ₹28, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  33. 33.50% of a number is 82. What is the number?
  34. 34.Sara spent ₹51, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  35. 35.284 is 80% of ?
  36. 36.25% of a number is 42. What is the number?
  37. 37.60% of a number is 69. What is the number?
  38. 38.25% of a number is 5. What is the number?
  39. 39.5% of a number is 10. What is the number?
  40. 40.Riya spent ₹77, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?

Answer key

  1. 180
  2. 44
  3. 210
  4. 376
  5. 200
  6. 110
  7. 400
  8. 264
  9. 68
  10. 100
  11. 55
  12. 108
  13. 270
  14. 48
  15. 140
  16. 80
  17. 155
  18. 270
  19. 200
  20. 336
  21. 188
  22. 340
  23. 140
  24. 330
  25. 325
  26. 150
  27. 388
  28. 60
  29. 72
  30. 65
  31. 124
  32. 112
  33. 164
  34. 68
  35. 355
  36. 168
  37. 115
  38. 20
  39. 200
  40. 154

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