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Percentage lesson 9: Find the whole from a percent · Set 276 · 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 ₹45, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  2. 2.Dev spent ₹13, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  3. 3.49 is 20% of ?
  4. 4.40% of a number is 96. What is the number?
  5. 5.27 is 30% of ?
  6. 6.Kabir spent ₹24, which is 30% of the pocket money. How much pocket money did Kabir have, in rupees?
  7. 7.80% of a number is 32. What is the number?
  8. 8.15 is 20% of ?
  9. 9.12% of a number is 48. What is the number?
  10. 10.36 is 12% of ?
  11. 11.26 is 50% of ?
  12. 12.33 is 25% of ?
  13. 13.15% of a number is 3. What is the number?
  14. 14.50% of a number is 92. What is the number?
  15. 15.20% of a number is 44. What is the number?
  16. 16.15% of a number is 30. What is the number?
  17. 17.186 is 75% of ?
  18. 18.Diya spent ₹50, which is 50% of the pocket money. How much pocket money did Diya have, in rupees?
  19. 19.40% of a number is 26. What is the number?
  20. 20.Ishaan spent ₹11, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?
  21. 21.Meera spent ₹53, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  22. 22.33 is 12% of ?
  23. 23.Aarav spent ₹36, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  24. 24.Aarav spent ₹34, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  25. 25.75% of a number is 177. What is the number?
  26. 26.30% of a number is 69. What is the number?
  27. 27.Isha spent ₹27, which is 30% of the pocket money. How much pocket money did Isha have, in rupees?
  28. 28.7 is 50% of ?
  29. 29.12% of a number is 24. What is the number?
  30. 30.20% of a number is 20. What is the number?
  31. 31.40% of a number is 72. What is the number?
  32. 32.25% of a number is 79. What is the number?
  33. 33.50% of a number is 55. What is the number?
  34. 34.Rohan spent ₹280, which is 80% of the pocket money. How much pocket money did Rohan have, in rupees?
  35. 35.80% of a number is 128. What is the number?
  36. 36.40% of a number is 122. What is the number?
  37. 37.21 is 12% of ?
  38. 38.165 is 60% of ?
  39. 39.10% of a number is 13. What is the number?
  40. 40.30% of a number is 63. What is the number?

Answer key

  1. 225
  2. 65
  3. 245
  4. 240
  5. 90
  6. 80
  7. 40
  8. 75
  9. 400
  10. 300
  11. 52
  12. 132
  13. 20
  14. 184
  15. 220
  16. 200
  17. 248
  18. 100
  19. 65
  20. 110
  21. 265
  22. 275
  23. 240
  24. 136
  25. 236
  26. 230
  27. 90
  28. 14
  29. 200
  30. 100
  31. 180
  32. 316
  33. 110
  34. 350
  35. 160
  36. 305
  37. 175
  38. 275
  39. 130
  40. 210

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