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Percentage lesson 9: Find the whole from a percent · Set 247 · 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. 1.144 is 60% of ?
  2. 2.Riya spent ₹108, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  3. 3.60% of a number is 117. What is the number?
  4. 4.15 is 12% of ?
  5. 5.75 is 25% of ?
  6. 6.96 is 60% of ?
  7. 7.60 is 20% of ?
  8. 8.Riya spent ₹101, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  9. 9.20% of a number is 60. What is the number?
  10. 10.15% of a number is 60. What is the number?
  11. 11.Meera spent ₹22, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  12. 12.12% of a number is 18. What is the number?
  13. 13.Rohan spent ₹12, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  14. 14.40% of a number is 38. What is the number?
  15. 15.15% of a number is 36. What is the number?
  16. 16.Aarav spent ₹23, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  17. 17.50% of a number is 95. What is the number?
  18. 18.10% of a number is 12. What is the number?
  19. 19.5% of a number is 2. What is the number?
  20. 20.30 is 12% of ?
  21. 21.25% of a number is 11. What is the number?
  22. 22.47 is 20% of ?
  23. 23.25% of a number is 4. What is the number?
  24. 24.10% of a number is 35. What is the number?
  25. 25.45 is 30% of ?
  26. 26.8 is 80% of ?
  27. 27.Kabir spent ₹1, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  28. 28.6 is 12% of ?
  29. 29.12% of a number is 9. What is the number?
  30. 30.17 is 10% of ?
  31. 31.75% of a number is 156. What is the number?
  32. 32.5% of a number is 19. What is the number?
  33. 33.Dev spent ₹21, which is 12% of the pocket money. How much pocket money did Dev have, in rupees?
  34. 34.70 is 50% of ?
  35. 35.81 is 75% of ?
  36. 36.75% of a number is 234. What is the number?
  37. 37.34 is 10% of ?
  38. 38.20% of a number is 15. What is the number?
  39. 39.20% of a number is 19. What is the number?
  40. 40.72 is 80% of ?

Answer key

  1. 240
  2. 135
  3. 195
  4. 125
  5. 300
  6. 160
  7. 300
  8. 202
  9. 300
  10. 400
  11. 44
  12. 150
  13. 48
  14. 95
  15. 240
  16. 115
  17. 190
  18. 120
  19. 40
  20. 250
  21. 44
  22. 235
  23. 16
  24. 350
  25. 150
  26. 10
  27. 5
  28. 50
  29. 75
  30. 170
  31. 208
  32. 380
  33. 175
  34. 140
  35. 108
  36. 312
  37. 340
  38. 75
  39. 95
  40. 90

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