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Percentage lesson 9: Find the whole from a percent · Set 701 · 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.Dev spent ₹195, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  2. 2.12 is 12% of ?
  3. 3.75% of a number is 129. What is the number?
  4. 4.10% of a number is 33. What is the number?
  5. 5.Kabir spent ₹60, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  6. 6.60 is 80% of ?
  7. 7.10% of a number is 22. What is the number?
  8. 8.5% of a number is 4. What is the number?
  9. 9.Meera spent ₹84, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  10. 10.15% of a number is 57. What is the number?
  11. 11.93 is 60% of ?
  12. 12.6 is 12% of ?
  13. 13.Kabir spent ₹219, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  14. 14.Diya spent ₹78, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  15. 15.Aarav spent ₹267, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  16. 16.10% of a number is 7. What is the number?
  17. 17.38 is 20% of ?
  18. 18.28 is 40% of ?
  19. 19.100 is 40% of ?
  20. 20.45 is 12% of ?
  21. 21.6 is 60% of ?
  22. 22.Meera spent ₹186, which is 75% of the pocket money. How much pocket money did Meera have, in rupees?
  23. 23.26 is 40% of ?
  24. 24.Anaya spent ₹141, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  25. 25.12% of a number is 42. What is the number?
  26. 26.96 is 30% of ?
  27. 27.80% of a number is 176. What is the number?
  28. 28.40% of a number is 46. What is the number?
  29. 29.2 is 5% of ?
  30. 30.10% of a number is 2. What is the number?
  31. 31.5% of a number is 7. What is the number?
  32. 32.9 is 30% of ?
  33. 33.159 is 60% of ?
  34. 34.216 is 80% of ?
  35. 35.Rohan spent ₹107, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  36. 36.Isha spent ₹98, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  37. 37.20% of a number is 16. What is the number?
  38. 38.Rohan spent ₹47, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  39. 39.Dev spent ₹32, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  40. 40.Aarav spent ₹236, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?

Answer key

  1. 260
  2. 100
  3. 172
  4. 330
  5. 300
  6. 75
  7. 220
  8. 80
  9. 140
  10. 380
  11. 155
  12. 50
  13. 365
  14. 104
  15. 356
  16. 70
  17. 190
  18. 70
  19. 250
  20. 375
  21. 10
  22. 248
  23. 65
  24. 188
  25. 350
  26. 320
  27. 220
  28. 115
  29. 40
  30. 20
  31. 140
  32. 30
  33. 265
  34. 270
  35. 214
  36. 392
  37. 80
  38. 235
  39. 160
  40. 295

Free percentage lessons, practice and worksheets at talentjr.in/how-to-calculate-percentage