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Percentage lesson 9: Find the whole from a percent · Set 181 · 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. 1.1 is 20% of ?
  2. 2.Meera spent ₹88, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  3. 3.73 is 20% of ?
  4. 4.10% of a number is 39. What is the number?
  5. 5.40% of a number is 104. What is the number?
  6. 6.30% of a number is 42. What is the number?
  7. 7.24 is 10% of ?
  8. 8.112 is 80% of ?
  9. 9.Ishaan spent ₹48, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  10. 10.Sara spent ₹70, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  11. 11.18 is 10% of ?
  12. 12.Dev spent ₹89, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  13. 13.Meera spent ₹8, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  14. 14.Riya spent ₹27, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  15. 15.25% of a number is 29. What is the number?
  16. 16.261 is 75% of ?
  17. 17.Aarav spent ₹9, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  18. 18.171 is 60% of ?
  19. 19.Isha spent ₹34, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  20. 20.Anaya spent ₹6, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  21. 21.Sara spent ₹21, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?
  22. 22.5 is 5% of ?
  23. 23.30 is 20% of ?
  24. 24.10% of a number is 17. What is the number?
  25. 25.Arjun spent ₹6, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  26. 26.40 is 20% of ?
  27. 27.165 is 75% of ?
  28. 28.80% of a number is 280. What is the number?
  29. 29.40% of a number is 40. What is the number?
  30. 30.30 is 12% of ?
  31. 31.Anaya spent ₹27, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  32. 32.75% of a number is 201. What is the number?
  33. 33.Rohan spent ₹47, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  34. 34.80 is 20% of ?
  35. 35.20% of a number is 78. What is the number?
  36. 36.30% of a number is 99. What is the number?
  37. 37.42 is 12% of ?
  38. 38.Meera spent ₹54, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  39. 39.Diya spent ₹10, which is 5% of the pocket money. How much pocket money did Diya have, in rupees?
  40. 40.14 is 50% of ?

Answer key

  1. 5
  2. 110
  3. 365
  4. 390
  5. 260
  6. 140
  7. 240
  8. 140
  9. 400
  10. 280
  11. 180
  12. 356
  13. 160
  14. 270
  15. 116
  16. 348
  17. 180
  18. 285
  19. 340
  20. 50
  21. 140
  22. 100
  23. 150
  24. 170
  25. 60
  26. 200
  27. 220
  28. 350
  29. 100
  30. 250
  31. 225
  32. 268
  33. 188
  34. 400
  35. 390
  36. 330
  37. 350
  38. 180
  39. 200
  40. 28

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