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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 447 · 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. 1.46 is 25% of ?
  2. 2.Aarav spent ₹252, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  3. 3.17 is 5% of ?
  4. 4.45 is 12% of ?
  5. 5.20% of a number is 4. What is the number?
  6. 6.75% of a number is 114. What is the number?
  7. 7.14 is 10% of ?
  8. 8.25% of a number is 95. What is the number?
  9. 9.67 is 25% of ?
  10. 10.Ishaan spent ₹17, which is 5% of the pocket money. How much pocket money did Ishaan have, in rupees?
  11. 11.10% of a number is 26. What is the number?
  12. 12.15% of a number is 3. What is the number?
  13. 13.29 is 50% of ?
  14. 14.58 is 20% of ?
  15. 15.Riya spent ₹29, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  16. 16.27 is 10% of ?
  17. 17.60% of a number is 96. What is the number?
  18. 18.123 is 50% of ?
  19. 19.Meera spent ₹216, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  20. 20.40% of a number is 54. What is the number?
  21. 21.60% of a number is 72. What is the number?
  22. 22.24 is 75% of ?
  23. 23.10% of a number is 6. What is the number?
  24. 24.Arjun spent ₹39, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  25. 25.6 is 5% of ?
  26. 26.20 is 40% of ?
  27. 27.Isha spent ₹68, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  28. 28.25 is 25% of ?
  29. 29.Sara spent ₹9, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?
  30. 30.20% of a number is 29. What is the number?
  31. 31.Rohan spent ₹38, which is 40% of the pocket money. How much pocket money did Rohan have, in rupees?
  32. 32.40% of a number is 36. What is the number?
  33. 33.14 is 5% of ?
  34. 34.75% of a number is 261. What is the number?
  35. 35.Isha spent ₹15, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?
  36. 36.40% of a number is 18. What is the number?
  37. 37.60% of a number is 153. What is the number?
  38. 38.33 is 30% of ?
  39. 39.80% of a number is 112. What is the number?
  40. 40.30% of a number is 18. What is the number?

Answer key

  1. 184
  2. 315
  3. 340
  4. 375
  5. 20
  6. 152
  7. 140
  8. 380
  9. 268
  10. 340
  11. 260
  12. 20
  13. 58
  14. 290
  15. 145
  16. 270
  17. 160
  18. 246
  19. 270
  20. 135
  21. 120
  22. 32
  23. 60
  24. 195
  25. 120
  26. 50
  27. 85
  28. 100
  29. 60
  30. 145
  31. 95
  32. 90
  33. 280
  34. 348
  35. 125
  36. 45
  37. 255
  38. 110
  39. 140
  40. 60

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