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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 456 · 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.Riya spent ₹1, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  2. 2.15% of a number is 15. What is the number?
  3. 3.48 is 25% of ?
  4. 4.Aarav spent ₹42, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  5. 5.10% of a number is 3. What is the number?
  6. 6.27 is 15% of ?
  7. 7.111 is 30% of ?
  8. 8.75% of a number is 90. What is the number?
  9. 9.30% of a number is 6. What is the number?
  10. 10.87 is 75% of ?
  11. 11.3 is 12% of ?
  12. 12.43 is 25% of ?
  13. 13.35 is 10% of ?
  14. 14.40% of a number is 22. What is the number?
  15. 15.28 is 20% of ?
  16. 16.25% of a number is 91. What is the number?
  17. 17.Arjun spent ₹6, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?
  18. 18.15% of a number is 18. What is the number?
  19. 19.75% of a number is 84. What is the number?
  20. 20.78 is 25% of ?
  21. 21.30% of a number is 3. What is the number?
  22. 22.171 is 60% of ?
  23. 23.71 is 25% of ?
  24. 24.59 is 20% of ?
  25. 25.30% of a number is 120. What is the number?
  26. 26.15% of a number is 33. What is the number?
  27. 27.9 is 12% of ?
  28. 28.63 is 30% of ?
  29. 29.15% of a number is 48. What is the number?
  30. 30.40% of a number is 68. What is the number?
  31. 31.10% of a number is 19. What is the number?
  32. 32.25 is 20% of ?
  33. 33.4 is 25% of ?
  34. 34.15% of a number is 57. What is the number?
  35. 35.5% of a number is 14. What is the number?
  36. 36.30% of a number is 93. What is the number?
  37. 37.141 is 75% of ?
  38. 38.5% of a number is 12. What is the number?
  39. 39.40% of a number is 156. What is the number?
  40. 40.10% of a number is 8. What is the number?

Answer key

  1. 10
  2. 100
  3. 192
  4. 70
  5. 30
  6. 180
  7. 370
  8. 120
  9. 20
  10. 116
  11. 25
  12. 172
  13. 350
  14. 55
  15. 140
  16. 364
  17. 120
  18. 120
  19. 112
  20. 312
  21. 10
  22. 285
  23. 284
  24. 295
  25. 400
  26. 220
  27. 75
  28. 210
  29. 320
  30. 170
  31. 190
  32. 125
  33. 16
  34. 380
  35. 280
  36. 310
  37. 188
  38. 240
  39. 390
  40. 80

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