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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 389 · 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. 1.24 is 12% of ?
  2. 2.15% of a number is 33. What is the number?
  3. 3.Anaya spent ₹212, which is 80% of the pocket money. How much pocket money did Anaya have, in rupees?
  4. 4.20% of a number is 13. What is the number?
  5. 5.3 is 25% of ?
  6. 6.80 is 40% of ?
  7. 7.Aarav spent ₹75, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  8. 8.4 is 5% of ?
  9. 9.111 is 60% of ?
  10. 10.Diya spent ₹102, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  11. 11.10% of a number is 38. What is the number?
  12. 12.Dev spent ₹284, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  13. 13.Anaya spent ₹29, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  14. 14.75% of a number is 285. What is the number?
  15. 15.42 is 30% of ?
  16. 16.90 is 25% of ?
  17. 17.22 is 20% of ?
  18. 18.34 is 10% of ?
  19. 19.Arjun spent ₹27, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  20. 20.20% of a number is 55. What is the number?
  21. 21.Anaya spent ₹16, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  22. 22.59 is 25% of ?
  23. 23.Dev spent ₹204, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  24. 24.Diya spent ₹18, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  25. 25.Ishaan spent ₹148, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  26. 26.Meera spent ₹260, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  27. 27.59 is 20% of ?
  28. 28.10% of a number is 27. What is the number?
  29. 29.10% of a number is 34. What is the number?
  30. 30.12% of a number is 3. What is the number?
  31. 31.30% of a number is 21. What is the number?
  32. 32.92 is 40% of ?
  33. 33.25% of a number is 4. What is the number?
  34. 34.122 is 40% of ?
  35. 35.168 is 75% of ?
  36. 36.Ishaan spent ₹212, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  37. 37.Dev spent ₹20, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  38. 38.Meera spent ₹300, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  39. 39.Isha spent ₹60, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  40. 40.Ishaan spent ₹54, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?

Answer key

  1. 200
  2. 220
  3. 265
  4. 65
  5. 12
  6. 200
  7. 100
  8. 80
  9. 185
  10. 170
  11. 380
  12. 355
  13. 290
  14. 380
  15. 140
  16. 360
  17. 110
  18. 340
  19. 225
  20. 275
  21. 160
  22. 236
  23. 340
  24. 60
  25. 370
  26. 325
  27. 295
  28. 270
  29. 340
  30. 25
  31. 70
  32. 230
  33. 16
  34. 305
  35. 224
  36. 265
  37. 80
  38. 375
  39. 240
  40. 360

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