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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 941 · 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. 1.50% of a number is 40. What is the number?
  2. 2.30% of a number is 72. What is the number?
  3. 3.12% of a number is 30. What is the number?
  4. 4.80% of a number is 268. What is the number?
  5. 5.Arjun spent ₹171, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  6. 6.130 is 40% of ?
  7. 7.41 is 20% of ?
  8. 8.20% of a number is 45. What is the number?
  9. 9.75% of a number is 258. What is the number?
  10. 10.50% of a number is 182. What is the number?
  11. 11.25% of a number is 43. What is the number?
  12. 12.4 is 5% of ?
  13. 13.Meera spent ₹83, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  14. 14.80% of a number is 100. What is the number?
  15. 15.51 is 15% of ?
  16. 16.50% of a number is 84. What is the number?
  17. 17.196 is 80% of ?
  18. 18.Rohan spent ₹21, which is 12% of the pocket money. How much pocket money did Rohan have, in rupees?
  19. 19.Anaya spent ₹9, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  20. 20.9 is 10% of ?
  21. 21.Ishaan spent ₹21, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  22. 22.Meera spent ₹45, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  23. 23.50% of a number is 3. What is the number?
  24. 24.20% of a number is 16. What is the number?
  25. 25.5% of a number is 17. What is the number?
  26. 26.18 is 12% of ?
  27. 27.4 is 10% of ?
  28. 28.53 is 25% of ?
  29. 29.75 is 60% of ?
  30. 30.15 is 5% of ?
  31. 31.Dev spent ₹28, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  32. 32.17 is 5% of ?
  33. 33.Aarav spent ₹228, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  34. 34.75% of a number is 300. What is the number?
  35. 35.75% of a number is 138. What is the number?
  36. 36.Dev spent ₹49, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  37. 37.23 is 20% of ?
  38. 38.13 is 10% of ?
  39. 39.61 is 20% of ?
  40. 40.77 is 50% of ?

Answer key

  1. 80
  2. 240
  3. 250
  4. 335
  5. 342
  6. 325
  7. 205
  8. 225
  9. 344
  10. 364
  11. 172
  12. 80
  13. 332
  14. 125
  15. 340
  16. 168
  17. 245
  18. 175
  19. 60
  20. 90
  21. 70
  22. 375
  23. 6
  24. 80
  25. 340
  26. 150
  27. 40
  28. 212
  29. 125
  30. 300
  31. 280
  32. 340
  33. 285
  34. 400
  35. 184
  36. 98
  37. 115
  38. 130
  39. 305
  40. 154

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