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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 464 · 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 ₹207, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  2. 2.66 is 60% of ?
  3. 3.40% of a number is 68. What is the number?
  4. 4.13 is 5% of ?
  5. 5.14 is 10% of ?
  6. 6.Arjun spent ₹11, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  7. 7.35 is 10% of ?
  8. 8.75% of a number is 300. What is the number?
  9. 9.Sara spent ₹38, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  10. 10.28 is 40% of ?
  11. 11.12% of a number is 36. What is the number?
  12. 12.1 is 20% of ?
  13. 13.20% of a number is 77. What is the number?
  14. 14.90 is 75% of ?
  15. 15.58 is 40% of ?
  16. 16.40% of a number is 30. What is the number?
  17. 17.80% of a number is 160. What is the number?
  18. 18.10% of a number is 11. What is the number?
  19. 19.23 is 20% of ?
  20. 20.Sara spent ₹69, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  21. 21.10% of a number is 21. What is the number?
  22. 22.18 is 15% of ?
  23. 23.19 is 25% of ?
  24. 24.Aarav spent ₹126, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  25. 25.2 is 5% of ?
  26. 26.Ishaan spent ₹23, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  27. 27.47 is 20% of ?
  28. 28.Aarav spent ₹15, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  29. 29.40% of a number is 66. What is the number?
  30. 30.32 is 80% of ?
  31. 31.Kabir spent ₹224, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  32. 32.20 is 80% of ?
  33. 33.300 is 75% of ?
  34. 34.22 is 20% of ?
  35. 35.44 is 20% of ?
  36. 36.Kabir spent ₹39, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?
  37. 37.20% of a number is 67. What is the number?
  38. 38.40% of a number is 26. What is the number?
  39. 39.Riya spent ₹31, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  40. 40.Kabir spent ₹5, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?

Answer key

  1. 276
  2. 110
  3. 170
  4. 260
  5. 140
  6. 110
  7. 350
  8. 400
  9. 380
  10. 70
  11. 300
  12. 5
  13. 385
  14. 120
  15. 145
  16. 75
  17. 200
  18. 110
  19. 115
  20. 138
  21. 210
  22. 120
  23. 76
  24. 210
  25. 40
  26. 115
  27. 235
  28. 125
  29. 165
  30. 40
  31. 280
  32. 25
  33. 400
  34. 110
  35. 220
  36. 325
  37. 335
  38. 65
  39. 310
  40. 100

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