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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 621 · 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. 1.231 is 75% of ?
  2. 2.10% of a number is 1. What is the number?
  3. 3.Aarav spent ₹24, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  4. 4.Kabir spent ₹4, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  5. 5.13 is 50% of ?
  6. 6.20% of a number is 71. What is the number?
  7. 7.Ishaan spent ₹204, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  8. 8.20% of a number is 37. What is the number?
  9. 9.Dev spent ₹11, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  10. 10.Ishaan spent ₹116, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  11. 11.10% of a number is 34. What is the number?
  12. 12.Kabir spent ₹30, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  13. 13.10% of a number is 26. What is the number?
  14. 14.Arjun spent ₹33, which is 15% of the pocket money. How much pocket money did Arjun have, in rupees?
  15. 15.12 is 5% of ?
  16. 16.50% of a number is 181. What is the number?
  17. 17.Meera spent ₹94, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  18. 18.75% of a number is 60. What is the number?
  19. 19.25% of a number is 88. What is the number?
  20. 20.53 is 25% of ?
  21. 21.50% of a number is 101. What is the number?
  22. 22.20% of a number is 45. What is the number?
  23. 23.1 is 5% of ?
  24. 24.107 is 50% of ?
  25. 25.20% of a number is 38. What is the number?
  26. 26.12% of a number is 15. What is the number?
  27. 27.3 is 5% of ?
  28. 28.21 is 15% of ?
  29. 29.30% of a number is 30. What is the number?
  30. 30.25% of a number is 93. What is the number?
  31. 31.50% of a number is 145. What is the number?
  32. 32.69 is 50% of ?
  33. 33.37 is 25% of ?
  34. 34.79 is 25% of ?
  35. 35.60% of a number is 180. What is the number?
  36. 36.30% of a number is 18. What is the number?
  37. 37.Sara spent ₹51, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  38. 38.57 is 15% of ?
  39. 39.30 is 40% of ?
  40. 40.Sara spent ₹11, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?

Answer key

  1. 308
  2. 10
  3. 240
  4. 20
  5. 26
  6. 355
  7. 255
  8. 185
  9. 55
  10. 145
  11. 340
  12. 300
  13. 260
  14. 220
  15. 240
  16. 362
  17. 235
  18. 80
  19. 352
  20. 212
  21. 202
  22. 225
  23. 20
  24. 214
  25. 190
  26. 125
  27. 60
  28. 140
  29. 100
  30. 372
  31. 290
  32. 138
  33. 148
  34. 316
  35. 300
  36. 60
  37. 102
  38. 380
  39. 75
  40. 44

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