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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 705 · 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. 1.30% of a number is 108. What is the number?
  2. 2.40% of a number is 62. What is the number?
  3. 3.Diya spent ₹2, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  4. 4.12% of a number is 45. What is the number?
  5. 5.30% of a number is 36. What is the number?
  6. 6.75% of a number is 111. What is the number?
  7. 7.60% of a number is 60. What is the number?
  8. 8.5% of a number is 5. What is the number?
  9. 9.75% of a number is 297. What is the number?
  10. 10.60% of a number is 51. What is the number?
  11. 11.25% of a number is 48. What is the number?
  12. 12.25% of a number is 72. What is the number?
  13. 13.80% of a number is 116. What is the number?
  14. 14.Arjun spent ₹40, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  15. 15.10% of a number is 39. What is the number?
  16. 16.Anaya spent ₹48, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  17. 17.21 is 15% of ?
  18. 18.38 is 10% of ?
  19. 19.15% of a number is 12. What is the number?
  20. 20.50% of a number is 185. What is the number?
  21. 21.10% of a number is 27. What is the number?
  22. 22.Diya spent ₹32, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  23. 23.10% of a number is 30. What is the number?
  24. 24.Diya spent ₹5, which is 50% of the pocket money. How much pocket money did Diya have, in rupees?
  25. 25.20% of a number is 79. What is the number?
  26. 26.33 is 15% of ?
  27. 27.20 is 80% of ?
  28. 28.50% of a number is 48. What is the number?
  29. 29.20% of a number is 69. What is the number?
  30. 30.51 is 15% of ?
  31. 31.150 is 60% of ?
  32. 32.Aarav spent ₹47, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  33. 33.117 is 30% of ?
  34. 34.87 is 60% of ?
  35. 35.40% of a number is 12. What is the number?
  36. 36.15% of a number is 27. What is the number?
  37. 37.Dev spent ₹150, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  38. 38.60 is 80% of ?
  39. 39.11 is 10% of ?
  40. 40.Isha spent ₹22, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?

Answer key

  1. 360
  2. 155
  3. 5
  4. 375
  5. 120
  6. 148
  7. 100
  8. 100
  9. 396
  10. 85
  11. 192
  12. 288
  13. 145
  14. 400
  15. 390
  16. 320
  17. 140
  18. 380
  19. 80
  20. 370
  21. 270
  22. 320
  23. 300
  24. 10
  25. 395
  26. 220
  27. 25
  28. 96
  29. 345
  30. 340
  31. 250
  32. 235
  33. 390
  34. 145
  35. 30
  36. 180
  37. 250
  38. 75
  39. 110
  40. 220

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