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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 940 · 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. 1.75% of a number is 195. What is the number?
  2. 2.68 is 20% of ?
  3. 3.Ishaan spent ₹31, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  4. 4.20% of a number is 66. What is the number?
  5. 5.36 is 60% of ?
  6. 6.18 is 25% of ?
  7. 7.12% of a number is 12. What is the number?
  8. 8.9 is 12% of ?
  9. 9.10% of a number is 20. What is the number?
  10. 10.36 is 15% of ?
  11. 11.12% of a number is 6. What is the number?
  12. 12.Rohan spent ₹17, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  13. 13.12% of a number is 45. What is the number?
  14. 14.54 is 15% of ?
  15. 15.80% of a number is 228. What is the number?
  16. 16.Rohan spent ₹12, which is 5% of the pocket money. How much pocket money did Rohan have, in rupees?
  17. 17.40% of a number is 148. What is the number?
  18. 18.19 is 25% of ?
  19. 19.40 is 25% of ?
  20. 20.21 is 15% of ?
  21. 21.80% of a number is 240. What is the number?
  22. 22.75% of a number is 51. What is the number?
  23. 23.39 is 15% of ?
  24. 24.3 is 15% of ?
  25. 25.Dev spent ₹60, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  26. 26.25% of a number is 74. What is the number?
  27. 27.Diya spent ₹171, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  28. 28.14 is 20% of ?
  29. 29.85 is 25% of ?
  30. 30.Kabir spent ₹33, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?
  31. 31.20% of a number is 73. What is the number?
  32. 32.3 is 75% of ?
  33. 33.148 is 40% of ?
  34. 34.19 is 5% of ?
  35. 35.80% of a number is 112. What is the number?
  36. 36.20% of a number is 46. What is the number?
  37. 37.15 is 50% of ?
  38. 38.5% of a number is 18. What is the number?
  39. 39.40 is 40% of ?
  40. 40.165 is 75% of ?

Answer key

  1. 260
  2. 340
  3. 155
  4. 330
  5. 60
  6. 72
  7. 100
  8. 75
  9. 200
  10. 240
  11. 50
  12. 85
  13. 375
  14. 360
  15. 285
  16. 240
  17. 370
  18. 76
  19. 160
  20. 140
  21. 300
  22. 68
  23. 260
  24. 20
  25. 75
  26. 296
  27. 228
  28. 70
  29. 340
  30. 275
  31. 365
  32. 4
  33. 370
  34. 380
  35. 140
  36. 230
  37. 30
  38. 360
  39. 100
  40. 220

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