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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 573 · 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. 1.21 is 15% of ?
  2. 2.25% of a number is 26. What is the number?
  3. 3.Aarav spent ₹17, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  4. 4.30% of a number is 33. What is the number?
  5. 5.25% of a number is 6. What is the number?
  6. 6.60% of a number is 180. What is the number?
  7. 7.60% of a number is 39. What is the number?
  8. 8.Arjun spent ₹76, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  9. 9.10% of a number is 25. What is the number?
  10. 10.5% of a number is 9. What is the number?
  11. 11.Riya spent ₹33, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  12. 12.15% of a number is 57. What is the number?
  13. 13.Meera spent ₹13, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  14. 14.36 is 12% of ?
  15. 15.40% of a number is 82. What is the number?
  16. 16.30 is 15% of ?
  17. 17.Sara spent ₹177, which is 60% of the pocket money. How much pocket money did Sara have, in rupees?
  18. 18.280 is 80% of ?
  19. 19.Riya spent ₹117, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  20. 20.Meera spent ₹8, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  21. 21.10 is 5% of ?
  22. 22.48 is 15% of ?
  23. 23.Isha spent ₹39, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  24. 24.16 is 25% of ?
  25. 25.Anaya spent ₹234, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  26. 26.30% of a number is 117. What is the number?
  27. 27.Ishaan spent ₹30, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  28. 28.40% of a number is 150. What is the number?
  29. 29.159 is 75% of ?
  30. 30.20% of a number is 40. What is the number?
  31. 31.24 is 12% of ?
  32. 32.Kabir spent ₹133, which is 50% of the pocket money. How much pocket money did Kabir have, in rupees?
  33. 33.Dev spent ₹56, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  34. 34.40 is 10% of ?
  35. 35.Anaya spent ₹21, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  36. 36.24 is 60% of ?
  37. 37.Arjun spent ₹6, which is 15% of the pocket money. How much pocket money did Arjun have, in rupees?
  38. 38.9 is 60% of ?
  39. 39.Aarav spent ₹75, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  40. 40.80% of a number is 280. What is the number?

Answer key

  1. 140
  2. 104
  3. 85
  4. 110
  5. 24
  6. 300
  7. 65
  8. 95
  9. 250
  10. 180
  11. 330
  12. 380
  13. 260
  14. 300
  15. 205
  16. 200
  17. 295
  18. 350
  19. 156
  20. 40
  21. 200
  22. 320
  23. 260
  24. 64
  25. 312
  26. 390
  27. 75
  28. 375
  29. 212
  30. 200
  31. 200
  32. 266
  33. 224
  34. 400
  35. 70
  36. 40
  37. 40
  38. 15
  39. 375
  40. 350

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