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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 80 · 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. 1.42 is 15% of ?
  2. 2.42 is 75% of ?
  3. 3.Riya spent ₹39, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  4. 4.1 is 25% of ?
  5. 5.Arjun spent ₹158, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  6. 6.50% of a number is 44. What is the number?
  7. 7.40% of a number is 26. What is the number?
  8. 8.75 is 30% of ?
  9. 9.60% of a number is 132. What is the number?
  10. 10.Anaya spent ₹27, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  11. 11.Arjun spent ₹24, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  12. 12.15 is 10% of ?
  13. 13.20% of a number is 40. What is the number?
  14. 14.15% of a number is 54. What is the number?
  15. 15.Anaya spent ₹4, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  16. 16.20% of a number is 7. What is the number?
  17. 17.10% of a number is 2. What is the number?
  18. 18.10% of a number is 7. What is the number?
  19. 19.Rohan spent ₹29, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  20. 20.12% of a number is 45. What is the number?
  21. 21.80% of a number is 180. What is the number?
  22. 22.20% of a number is 72. What is the number?
  23. 23.2 is 5% of ?
  24. 24.Rohan spent ₹5, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  25. 25.128 is 40% of ?
  26. 26.222 is 75% of ?
  27. 27.30% of a number is 12. What is the number?
  28. 28.Kabir spent ₹177, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  29. 29.Riya spent ₹14, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  30. 30.7 is 10% of ?
  31. 31.60% of a number is 135. What is the number?
  32. 32.10% of a number is 24. What is the number?
  33. 33.34 is 10% of ?
  34. 34.Ishaan spent ₹71, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  35. 35.Kabir spent ₹27, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?
  36. 36.5 is 10% of ?
  37. 37.172 is 80% of ?
  38. 38.10% of a number is 36. What is the number?
  39. 39.Rohan spent ₹26, which is 40% of the pocket money. How much pocket money did Rohan have, in rupees?
  40. 40.8 is 5% of ?

Answer key

  1. 280
  2. 56
  3. 260
  4. 4
  5. 316
  6. 88
  7. 65
  8. 250
  9. 220
  10. 180
  11. 200
  12. 150
  13. 200
  14. 360
  15. 20
  16. 35
  17. 20
  18. 70
  19. 290
  20. 375
  21. 225
  22. 360
  23. 40
  24. 50
  25. 320
  26. 296
  27. 40
  28. 295
  29. 280
  30. 70
  31. 225
  32. 240
  33. 340
  34. 284
  35. 225
  36. 50
  37. 215
  38. 360
  39. 65
  40. 160

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