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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 152 · 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 30. What is the number?
  2. 2.66 is 30% of ?
  3. 3.75% of a number is 33. What is the number?
  4. 4.118 is 50% of ?
  5. 5.210 is 75% of ?
  6. 6.60% of a number is 135. What is the number?
  7. 7.20 is 5% of ?
  8. 8.12% of a number is 21. What is the number?
  9. 9.12 is 5% of ?
  10. 10.Aarav spent ₹24, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  11. 11.12% of a number is 39. What is the number?
  12. 12.75% of a number is 201. What is the number?
  13. 13.240 is 80% of ?
  14. 14.Rohan spent ₹74, which is 40% of the pocket money. How much pocket money did Rohan have, in rupees?
  15. 15.15% of a number is 3. What is the number?
  16. 16.62 is 25% of ?
  17. 17.186 is 75% of ?
  18. 18.Aarav spent ₹68, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  19. 19.Arjun spent ₹9, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?
  20. 20.36 is 12% of ?
  21. 21.15% of a number is 42. What is the number?
  22. 22.8 is 10% of ?
  23. 23.3 is 20% of ?
  24. 24.3 is 15% of ?
  25. 25.40% of a number is 122. What is the number?
  26. 26.44 is 80% of ?
  27. 27.90 is 50% of ?
  28. 28.15% of a number is 30. What is the number?
  29. 29.50% of a number is 54. What is the number?
  30. 30.Aarav spent ₹17, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  31. 31.12% of a number is 45. What is the number?
  32. 32.Arjun spent ₹15, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  33. 33.24 is 12% of ?
  34. 34.50% of a number is 120. What is the number?
  35. 35.20% of a number is 79. What is the number?
  36. 36.Meera spent ₹27, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  37. 37.280 is 80% of ?
  38. 38.Kabir spent ₹13, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  39. 39.40 is 80% of ?
  40. 40.Anaya spent ₹67, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?

Answer key

  1. 250
  2. 220
  3. 44
  4. 236
  5. 280
  6. 225
  7. 400
  8. 175
  9. 240
  10. 240
  11. 325
  12. 268
  13. 300
  14. 185
  15. 20
  16. 248
  17. 248
  18. 340
  19. 30
  20. 300
  21. 280
  22. 80
  23. 15
  24. 20
  25. 305
  26. 55
  27. 180
  28. 200
  29. 108
  30. 34
  31. 375
  32. 20
  33. 200
  34. 240
  35. 395
  36. 225
  37. 350
  38. 260
  39. 50
  40. 335

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