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Percentage lesson 9: Find the whole from a percent · Set 519 · 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 ₹168, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  2. 2.60 is 25% of ?
  3. 3.Anaya spent ₹45, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  4. 4.9 is 5% of ?
  5. 5.80% of a number is 16. What is the number?
  6. 6.40% of a number is 46. What is the number?
  7. 7.10% of a number is 20. What is the number?
  8. 8.6 is 15% of ?
  9. 9.25% of a number is 22. What is the number?
  10. 10.25% of a number is 86. What is the number?
  11. 11.15% of a number is 15. What is the number?
  12. 12.Aarav spent ₹2, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  13. 13.15% of a number is 39. What is the number?
  14. 14.Aarav spent ₹6, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  15. 15.25% of a number is 81. What is the number?
  16. 16.20% of a number is 45. What is the number?
  17. 17.20% of a number is 39. What is the number?
  18. 18.Rohan spent ₹25, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  19. 19.Meera spent ₹45, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  20. 20.Aarav spent ₹4, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  21. 21.9 is 12% of ?
  22. 22.Diya spent ₹280, which is 80% of the pocket money. How much pocket money did Diya have, in rupees?
  23. 23.60% of a number is 201. What is the number?
  24. 24.30% of a number is 117. What is the number?
  25. 25.156 is 60% of ?
  26. 26.100 is 40% of ?
  27. 27.Diya spent ₹148, which is 80% of the pocket money. How much pocket money did Diya have, in rupees?
  28. 28.60% of a number is 141. What is the number?
  29. 29.Sara spent ₹155, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  30. 30.30% of a number is 69. What is the number?
  31. 31.Anaya spent ₹58, which is 40% of the pocket money. How much pocket money did Anaya have, in rupees?
  32. 32.75% of a number is 117. What is the number?
  33. 33.Riya spent ₹72, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  34. 34.Meera spent ₹21, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  35. 35.60% of a number is 111. What is the number?
  36. 36.Sara spent ₹260, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  37. 37.Ishaan spent ₹102, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  38. 38.30% of a number is 6. What is the number?
  39. 39.Riya spent ₹17, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  40. 40.Ishaan spent ₹24, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?

Answer key

  1. 224
  2. 240
  3. 375
  4. 180
  5. 20
  6. 115
  7. 200
  8. 40
  9. 88
  10. 344
  11. 100
  12. 20
  13. 260
  14. 60
  15. 324
  16. 225
  17. 195
  18. 125
  19. 300
  20. 80
  21. 75
  22. 350
  23. 335
  24. 390
  25. 260
  26. 250
  27. 185
  28. 235
  29. 310
  30. 230
  31. 145
  32. 156
  33. 360
  34. 175
  35. 185
  36. 325
  37. 255
  38. 20
  39. 340
  40. 240

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