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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 446 · 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 100. What is the number?
  2. 2.75% of a number is 174. What is the number?
  3. 3.19 is 25% of ?
  4. 4.10 is 10% of ?
  5. 5.30 is 75% of ?
  6. 6.15% of a number is 42. What is the number?
  7. 7.3 is 15% of ?
  8. 8.Dev spent ₹72, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  9. 9.Dev spent ₹2, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  10. 10.189 is 50% of ?
  11. 11.75% of a number is 297. What is the number?
  12. 12.Diya spent ₹16, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  13. 13.30% of a number is 81. What is the number?
  14. 14.12% of a number is 33. What is the number?
  15. 15.10 is 5% of ?
  16. 16.162 is 75% of ?
  17. 17.Anaya spent ₹88, which is 25% of the pocket money. How much pocket money did Anaya have, in rupees?
  18. 18.40% of a number is 146. What is the number?
  19. 19.Riya spent ₹6, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  20. 20.60% of a number is 87. What is the number?
  21. 21.35 is 20% of ?
  22. 22.156 is 75% of ?
  23. 23.75% of a number is 90. What is the number?
  24. 24.Ishaan spent ₹3, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  25. 25.30% of a number is 33. What is the number?
  26. 26.Riya spent ₹57, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  27. 27.20% of a number is 59. What is the number?
  28. 28.25% of a number is 1. What is the number?
  29. 29.5% of a number is 7. What is the number?
  30. 30.Sara spent ₹27, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  31. 31.138 is 40% of ?
  32. 32.Meera spent ₹3, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  33. 33.14 is 5% of ?
  34. 34.40% of a number is 128. What is the number?
  35. 35.40% of a number is 58. What is the number?
  36. 36.Diya spent ₹15, which is 15% of the pocket money. How much pocket money did Diya have, in rupees?
  37. 37.15% of a number is 60. What is the number?
  38. 38.Meera spent ₹81, which is 75% of the pocket money. How much pocket money did Meera have, in rupees?
  39. 39.30 is 25% of ?
  40. 40.80% of a number is 80. What is the number?

Answer key

  1. 200
  2. 232
  3. 76
  4. 100
  5. 40
  6. 280
  7. 20
  8. 144
  9. 10
  10. 378
  11. 396
  12. 160
  13. 270
  14. 275
  15. 200
  16. 216
  17. 352
  18. 365
  19. 40
  20. 145
  21. 175
  22. 208
  23. 120
  24. 25
  25. 110
  26. 380
  27. 295
  28. 4
  29. 140
  30. 270
  31. 345
  32. 60
  33. 280
  34. 320
  35. 145
  36. 100
  37. 400
  38. 108
  39. 120
  40. 100

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