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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 948 · 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.

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  1. 1.12% of a number is 33. What is the number?
  2. 2.Kabir spent ₹154, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  3. 3.Ishaan spent ₹18, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  4. 4.Aarav spent ₹45, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  5. 5.Isha spent ₹74, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  6. 6.Sara spent ₹3, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  7. 7.Kabir spent ₹19, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  8. 8.80% of a number is 208. What is the number?
  9. 9.45 is 15% of ?
  10. 10.34 is 10% of ?
  11. 11.24 is 30% of ?
  12. 12.15% of a number is 33. What is the number?
  13. 13.75% of a number is 201. What is the number?
  14. 14.67 is 20% of ?
  15. 15.Isha spent ₹94, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  16. 16.68 is 20% of ?
  17. 17.25% of a number is 48. What is the number?
  18. 18.40% of a number is 22. What is the number?
  19. 19.27 is 12% of ?
  20. 20.50% of a number is 35. What is the number?
  21. 21.Sara spent ₹157, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  22. 22.20% of a number is 20. What is the number?
  23. 23.231 is 75% of ?
  24. 24.Riya spent ₹36, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  25. 25.25% of a number is 34. What is the number?
  26. 26.Arjun spent ₹96, which is 60% of the pocket money. How much pocket money did Arjun have, in rupees?
  27. 27.10 is 25% of ?
  28. 28.5% of a number is 12. What is the number?
  29. 29.50% of a number is 66. What is the number?
  30. 30.15 is 30% of ?
  31. 31.15 is 10% of ?
  32. 32.10% of a number is 1. What is the number?
  33. 33.15% of a number is 48. What is the number?
  34. 34.10% of a number is 38. What is the number?
  35. 35.27 is 20% of ?
  36. 36.Diya spent ₹42, which is 20% of the pocket money. How much pocket money did Diya have, in rupees?
  37. 37.Anaya spent ₹72, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  38. 38.20% of a number is 58. What is the number?
  39. 39.20% of a number is 13. What is the number?
  40. 40.25% of a number is 35. What is the number?

Answer key

  1. 275
  2. 385
  3. 120
  4. 300
  5. 370
  6. 12
  7. 380
  8. 260
  9. 300
  10. 340
  11. 80
  12. 220
  13. 268
  14. 335
  15. 376
  16. 340
  17. 192
  18. 55
  19. 225
  20. 70
  21. 314
  22. 100
  23. 308
  24. 300
  25. 136
  26. 160
  27. 40
  28. 240
  29. 132
  30. 50
  31. 150
  32. 10
  33. 320
  34. 380
  35. 135
  36. 210
  37. 96
  38. 290
  39. 65
  40. 140

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