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Percentage lesson 9: Find the whole from a percent · Set 685 · 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.Rohan spent ₹24, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  2. 2.60% of a number is 57. What is the number?
  3. 3.Dev spent ₹5, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  4. 4.136 is 80% of ?
  5. 5.316 is 80% of ?
  6. 6.12% of a number is 27. What is the number?
  7. 7.153 is 60% of ?
  8. 8.Meera spent ₹120, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  9. 9.12% of a number is 39. What is the number?
  10. 10.25% of a number is 1. What is the number?
  11. 11.12 is 12% of ?
  12. 12.10% of a number is 21. What is the number?
  13. 13.Meera spent ₹6, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  14. 14.39 is 30% of ?
  15. 15.9 is 5% of ?
  16. 16.Anaya spent ₹9, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  17. 17.80% of a number is 44. What is the number?
  18. 18.30% of a number is 108. What is the number?
  19. 19.Aarav spent ₹88, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  20. 20.Sara spent ₹102, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  21. 21.10% of a number is 11. What is the number?
  22. 22.Aarav spent ₹32, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  23. 23.80% of a number is 144. What is the number?
  24. 24.12% of a number is 21. What is the number?
  25. 25.15 is 12% of ?
  26. 26.Arjun spent ₹47, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  27. 27.30 is 40% of ?
  28. 28.Sara spent ₹13, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  29. 29.20% of a number is 51. What is the number?
  30. 30.Kabir spent ₹6, which is 30% of the pocket money. How much pocket money did Kabir have, in rupees?
  31. 31.Diya spent ₹10, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  32. 32.15% of a number is 12. What is the number?
  33. 33.Anaya spent ₹25, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  34. 34.42 is 12% of ?
  35. 35.75% of a number is 63. What is the number?
  36. 36.20% of a number is 50. What is the number?
  37. 37.40% of a number is 50. What is the number?
  38. 38.60% of a number is 204. What is the number?
  39. 39.Riya spent ₹195, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  40. 40.10% of a number is 3. What is the number?

Answer key

  1. 32
  2. 95
  3. 25
  4. 170
  5. 395
  6. 225
  7. 255
  8. 200
  9. 325
  10. 4
  11. 100
  12. 210
  13. 40
  14. 130
  15. 180
  16. 45
  17. 55
  18. 360
  19. 110
  20. 255
  21. 110
  22. 80
  23. 180
  24. 175
  25. 125
  26. 235
  27. 75
  28. 65
  29. 255
  30. 20
  31. 25
  32. 80
  33. 250
  34. 350
  35. 84
  36. 250
  37. 125
  38. 340
  39. 260
  40. 30

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