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Percentage lesson 9: Find the whole from a percent · Set 327 · 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. 1.5% of a number is 14. What is the number?
  2. 2.25% of a number is 24. What is the number?
  3. 3.36 is 10% of ?
  4. 4.45 is 25% of ?
  5. 5.24 is 60% of ?
  6. 6.20% of a number is 41. What is the number?
  7. 7.267 is 75% of ?
  8. 8.Ishaan spent ₹59, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  9. 9.30% of a number is 120. What is the number?
  10. 10.10% of a number is 1. What is the number?
  11. 11.60 is 30% of ?
  12. 12.82 is 25% of ?
  13. 13.25% of a number is 25. What is the number?
  14. 14.50% of a number is 14. What is the number?
  15. 15.Anaya spent ₹33, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  16. 16.40% of a number is 160. What is the number?
  17. 17.61 is 20% of ?
  18. 18.Meera spent ₹114, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  19. 19.180 is 75% of ?
  20. 20.30% of a number is 27. What is the number?
  21. 21.60% of a number is 147. What is the number?
  22. 22.25% of a number is 7. What is the number?
  23. 23.Riya spent ₹171, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  24. 24.45 is 12% of ?
  25. 25.75% of a number is 90. What is the number?
  26. 26.40% of a number is 122. What is the number?
  27. 27.110 is 40% of ?
  28. 28.30% of a number is 36. What is the number?
  29. 29.30% of a number is 108. What is the number?
  30. 30.40% of a number is 80. What is the number?
  31. 31.20% of a number is 24. What is the number?
  32. 32.Dev spent ₹21, which is 12% of the pocket money. How much pocket money did Dev have, in rupees?
  33. 33.5 is 5% of ?
  34. 34.195 is 60% of ?
  35. 35.Meera spent ₹92, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  36. 36.10% of a number is 6. What is the number?
  37. 37.5% of a number is 19. What is the number?
  38. 38.Anaya spent ₹36, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  39. 39.60% of a number is 114. What is the number?
  40. 40.20% of a number is 59. What is the number?

Answer key

  1. 280
  2. 96
  3. 360
  4. 180
  5. 40
  6. 205
  7. 356
  8. 236
  9. 400
  10. 10
  11. 200
  12. 328
  13. 100
  14. 28
  15. 275
  16. 400
  17. 305
  18. 285
  19. 240
  20. 90
  21. 245
  22. 28
  23. 342
  24. 375
  25. 120
  26. 305
  27. 275
  28. 120
  29. 360
  30. 200
  31. 120
  32. 175
  33. 100
  34. 325
  35. 115
  36. 60
  37. 380
  38. 120
  39. 190
  40. 295

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