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Percentage lesson 9: Find the whole from a percent · Set 34 · 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.Anaya spent ₹264, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  2. 2.12% of a number is 36. What is the number?
  3. 3.Meera spent ₹99, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  4. 4.Aarav spent ₹64, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  5. 5.6 is 25% of ?
  6. 6.10% of a number is 20. What is the number?
  7. 7.63 is 50% of ?
  8. 8.20% of a number is 80. What is the number?
  9. 9.66 is 30% of ?
  10. 10.5% of a number is 2. What is the number?
  11. 11.25% of a number is 58. What is the number?
  12. 12.Isha spent ₹15, which is 5% of the pocket money. How much pocket money did Isha have, in rupees?
  13. 13.Dev spent ₹124, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  14. 14.Kabir spent ₹9, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  15. 15.28 is 40% of ?
  16. 16.20% of a number is 4. What is the number?
  17. 17.Kabir spent ₹14, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  18. 18.198 is 60% of ?
  19. 19.12% of a number is 3. What is the number?
  20. 20.1 is 10% of ?
  21. 21.75% of a number is 120. What is the number?
  22. 22.108 is 30% of ?
  23. 23.40% of a number is 14. What is the number?
  24. 24.240 is 75% of ?
  25. 25.40% of a number is 152. What is the number?
  26. 26.15 is 12% of ?
  27. 27.168 is 75% of ?
  28. 28.75% of a number is 57. What is the number?
  29. 29.9 is 25% of ?
  30. 30.25% of a number is 68. What is the number?
  31. 31.Sara spent ₹231, which is 60% of the pocket money. How much pocket money did Sara have, in rupees?
  32. 32.50% of a number is 147. What is the number?
  33. 33.Isha spent ₹126, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  34. 34.36 is 30% of ?
  35. 35.5% of a number is 20. What is the number?
  36. 36.Dev spent ₹168, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  37. 37.134 is 40% of ?
  38. 38.41 is 50% of ?
  39. 39.5% of a number is 17. What is the number?
  40. 40.75% of a number is 63. What is the number?

Answer key

  1. 352
  2. 300
  3. 198
  4. 80
  5. 24
  6. 200
  7. 126
  8. 400
  9. 220
  10. 40
  11. 232
  12. 300
  13. 155
  14. 60
  15. 70
  16. 20
  17. 35
  18. 330
  19. 25
  20. 10
  21. 160
  22. 360
  23. 35
  24. 320
  25. 380
  26. 125
  27. 224
  28. 76
  29. 36
  30. 272
  31. 385
  32. 294
  33. 210
  34. 120
  35. 400
  36. 210
  37. 335
  38. 82
  39. 340
  40. 84

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