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Percentage lesson 9: Find the whole from a percent · Set 336 · 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. 1.40% of a number is 150. What is the number?
  2. 2.Diya spent ₹48, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  3. 3.9 is 5% of ?
  4. 4.36 is 15% of ?
  5. 5.Kabir spent ₹24, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  6. 6.Sara spent ₹58, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  7. 7.10% of a number is 37. What is the number?
  8. 8.21 is 20% of ?
  9. 9.Isha spent ₹12, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?
  10. 10.39 is 50% of ?
  11. 11.20% of a number is 5. What is the number?
  12. 12.Aarav spent ₹6, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  13. 13.Dev spent ₹16, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  14. 14.5% of a number is 9. What is the number?
  15. 15.Meera spent ₹183, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  16. 16.12% of a number is 42. What is the number?
  17. 17.Rohan spent ₹48, which is 12% of the pocket money. How much pocket money did Rohan have, in rupees?
  18. 18.Meera spent ₹33, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  19. 19.30% of a number is 111. What is the number?
  20. 20.60% of a number is 24. What is the number?
  21. 21.10% of a number is 22. What is the number?
  22. 22.Anaya spent ₹36, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  23. 23.Diya spent ₹102, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  24. 24.10% of a number is 4. What is the number?
  25. 25.Riya spent ₹12, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  26. 26.30% of a number is 51. What is the number?
  27. 27.40% of a number is 26. What is the number?
  28. 28.40 is 20% of ?
  29. 29.10% of a number is 25. What is the number?
  30. 30.3 is 50% of ?
  31. 31.12% of a number is 15. What is the number?
  32. 32.104 is 40% of ?
  33. 33.6 is 15% of ?
  34. 34.Meera spent ₹18, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  35. 35.252 is 75% of ?
  36. 36.48 is 40% of ?
  37. 37.21 is 15% of ?
  38. 38.25% of a number is 52. What is the number?
  39. 39.12 is 15% of ?
  40. 40.Rohan spent ₹201, which is 60% of the pocket money. How much pocket money did Rohan have, in rupees?

Answer key

  1. 375
  2. 400
  3. 180
  4. 240
  5. 40
  6. 290
  7. 370
  8. 105
  9. 100
  10. 78
  11. 25
  12. 8
  13. 80
  14. 180
  15. 305
  16. 350
  17. 400
  18. 66
  19. 370
  20. 40
  21. 220
  22. 300
  23. 255
  24. 40
  25. 240
  26. 170
  27. 65
  28. 200
  29. 250
  30. 6
  31. 125
  32. 260
  33. 40
  34. 360
  35. 336
  36. 120
  37. 140
  38. 208
  39. 80
  40. 335

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