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Percentage lesson 9: Find the whole from a percent · Set 607 · 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 ₹82, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  2. 2.80% of a number is 52. What is the number?
  3. 3.Kabir spent ₹6, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?
  4. 4.15% of a number is 33. What is the number?
  5. 5.10% of a number is 1. What is the number?
  6. 6.25% of a number is 50. What is the number?
  7. 7.26 is 10% of ?
  8. 8.60 is 15% of ?
  9. 9.5% of a number is 14. What is the number?
  10. 10.Aarav spent ₹8, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  11. 11.40% of a number is 34. What is the number?
  12. 12.178 is 50% of ?
  13. 13.18 is 5% of ?
  14. 14.20% of a number is 45. What is the number?
  15. 15.Riya spent ₹144, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  16. 16.40% of a number is 6. What is the number?
  17. 17.Riya spent ₹48, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  18. 18.12% of a number is 3. What is the number?
  19. 19.14 is 10% of ?
  20. 20.91 is 50% of ?
  21. 21.20% of a number is 67. What is the number?
  22. 22.184 is 80% of ?
  23. 23.Meera spent ₹76, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  24. 24.12% of a number is 39. What is the number?
  25. 25.40% of a number is 66. What is the number?
  26. 26.192 is 60% of ?
  27. 27.20% of a number is 68. What is the number?
  28. 28.7 is 10% of ?
  29. 29.40% of a number is 88. What is the number?
  30. 30.Dev spent ₹16, which is 5% of the pocket money. How much pocket money did Dev have, in rupees?
  31. 31.40% of a number is 2. What is the number?
  32. 32.234 is 60% of ?
  33. 33.Isha spent ₹14, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  34. 34.Riya spent ₹84, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  35. 35.Anaya spent ₹17, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  36. 36.Anaya spent ₹16, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  37. 37.Diya spent ₹66, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  38. 38.5% of a number is 19. What is the number?
  39. 39.Aarav spent ₹152, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  40. 40.5 is 5% of ?

Answer key

  1. 205
  2. 65
  3. 50
  4. 220
  5. 10
  6. 200
  7. 260
  8. 400
  9. 280
  10. 80
  11. 85
  12. 356
  13. 360
  14. 225
  15. 360
  16. 15
  17. 64
  18. 25
  19. 140
  20. 182
  21. 335
  22. 230
  23. 380
  24. 325
  25. 165
  26. 320
  27. 340
  28. 70
  29. 220
  30. 320
  31. 5
  32. 390
  33. 28
  34. 105
  35. 85
  36. 80
  37. 110
  38. 380
  39. 380
  40. 100

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