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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 35 · 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. 1.80% of a number is 204. What is the number?
  2. 2.108 is 60% of ?
  3. 3.60% of a number is 135. What is the number?
  4. 4.Riya spent ₹49, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  5. 5.12% of a number is 36. What is the number?
  6. 6.10% of a number is 34. What is the number?
  7. 7.30% of a number is 3. What is the number?
  8. 8.39 is 12% of ?
  9. 9.10% of a number is 3. What is the number?
  10. 10.10% of a number is 4. What is the number?
  11. 11.10% of a number is 12. What is the number?
  12. 12.Rohan spent ₹5, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  13. 13.186 is 60% of ?
  14. 14.45 is 12% of ?
  15. 15.44 is 20% of ?
  16. 16.30% of a number is 30. What is the number?
  17. 17.24 is 75% of ?
  18. 18.Meera spent ₹3, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  19. 19.Dev spent ₹42, which is 15% of the pocket money. How much pocket money did Dev have, in rupees?
  20. 20.Diya spent ₹12, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  21. 21.15% of a number is 9. What is the number?
  22. 22.25% of a number is 69. What is the number?
  23. 23.20% of a number is 72. What is the number?
  24. 24.5% of a number is 14. What is the number?
  25. 25.65 is 20% of ?
  26. 26.20 is 5% of ?
  27. 27.99 is 25% of ?
  28. 28.Anaya spent ₹36, which is 80% of the pocket money. How much pocket money did Anaya have, in rupees?
  29. 29.50% of a number is 77. What is the number?
  30. 30.7 is 20% of ?
  31. 31.Arjun spent ₹67, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  32. 32.Meera spent ₹72, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  33. 33.75% of a number is 180. What is the number?
  34. 34.18 is 25% of ?
  35. 35.147 is 60% of ?
  36. 36.Rohan spent ₹84, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  37. 37.Diya spent ₹39, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  38. 38.35 is 20% of ?
  39. 39.50% of a number is 10. What is the number?
  40. 40.80% of a number is 152. What is the number?

Answer key

  1. 255
  2. 180
  3. 225
  4. 196
  5. 300
  6. 340
  7. 10
  8. 325
  9. 30
  10. 40
  11. 120
  12. 10
  13. 310
  14. 375
  15. 220
  16. 100
  17. 32
  18. 20
  19. 280
  20. 100
  21. 60
  22. 276
  23. 360
  24. 280
  25. 325
  26. 400
  27. 396
  28. 45
  29. 154
  30. 35
  31. 268
  32. 120
  33. 240
  34. 72
  35. 245
  36. 112
  37. 325
  38. 175
  39. 20
  40. 190

Free percentage lessons, practice and worksheets at talentjr.in/how-to-calculate-percentage