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Percentage lesson 9: Find the whole from a percent · Set 960 · 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.Aarav spent ₹99, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  2. 2.12% of a number is 36. What is the number?
  3. 3.43 is 20% of ?
  4. 4.15% of a number is 9. What is the number?
  5. 5.27 is 15% of ?
  6. 6.84 is 40% of ?
  7. 7.66 is 25% of ?
  8. 8.Sara spent ₹78, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  9. 9.20% of a number is 47. What is the number?
  10. 10.75% of a number is 6. What is the number?
  11. 11.25% of a number is 79. What is the number?
  12. 12.10% of a number is 3. What is the number?
  13. 13.9 is 5% of ?
  14. 14.44 is 25% of ?
  15. 15.201 is 60% of ?
  16. 16.15% of a number is 42. What is the number?
  17. 17.18 is 12% of ?
  18. 18.Anaya spent ₹165, which is 60% of the pocket money. How much pocket money did Anaya have, in rupees?
  19. 19.19 is 5% of ?
  20. 20.59 is 20% of ?
  21. 21.12% of a number is 21. What is the number?
  22. 22.9 is 12% of ?
  23. 23.27 is 12% of ?
  24. 24.25% of a number is 85. What is the number?
  25. 25.75% of a number is 219. What is the number?
  26. 26.114 is 40% of ?
  27. 27.84 is 60% of ?
  28. 28.Rohan spent ₹92, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  29. 29.20% of a number is 31. What is the number?
  30. 30.5% of a number is 6. What is the number?
  31. 31.Ishaan spent ₹48, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  32. 32.40% of a number is 32. What is the number?
  33. 33.Sara spent ₹71, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  34. 34.40% of a number is 18. What is the number?
  35. 35.60% of a number is 69. What is the number?
  36. 36.39 is 15% of ?
  37. 37.30% of a number is 108. What is the number?
  38. 38.Meera spent ₹8, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  39. 39.90 is 50% of ?
  40. 40.Rohan spent ₹17, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?

Answer key

  1. 330
  2. 300
  3. 215
  4. 60
  5. 180
  6. 210
  7. 264
  8. 260
  9. 235
  10. 8
  11. 316
  12. 30
  13. 180
  14. 176
  15. 335
  16. 280
  17. 150
  18. 275
  19. 380
  20. 295
  21. 175
  22. 75
  23. 225
  24. 340
  25. 292
  26. 285
  27. 140
  28. 368
  29. 155
  30. 120
  31. 240
  32. 80
  33. 355
  34. 45
  35. 115
  36. 260
  37. 360
  38. 40
  39. 180
  40. 68

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