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Percentage lesson 9: Find the whole from a percent · Set 217 · 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. 1.30% of a number is 117. What is the number?
  2. 2.12% of a number is 15. What is the number?
  3. 3.Arjun spent ₹8, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  4. 4.228 is 60% of ?
  5. 5.Arjun spent ₹39, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  6. 6.94 is 25% of ?
  7. 7.80% of a number is 56. What is the number?
  8. 8.25% of a number is 81. What is the number?
  9. 9.20% of a number is 12. What is the number?
  10. 10.50% of a number is 42. What is the number?
  11. 11.12% of a number is 36. What is the number?
  12. 12.20 is 5% of ?
  13. 13.57 is 60% of ?
  14. 14.Isha spent ₹99, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  15. 15.Aarav spent ₹16, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  16. 16.96 is 30% of ?
  17. 17.25 is 25% of ?
  18. 18.80% of a number is 12. What is the number?
  19. 19.27 is 12% of ?
  20. 20.20% of a number is 58. What is the number?
  21. 21.15% of a number is 36. What is the number?
  22. 22.236 is 80% of ?
  23. 23.15% of a number is 24. What is the number?
  24. 24.Sara spent ₹93, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  25. 25.Dev spent ₹28, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  26. 26.30 is 10% of ?
  27. 27.Aarav spent ₹39, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  28. 28.Rohan spent ₹2, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  29. 29.Anaya spent ₹183, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  30. 30.57 is 15% of ?
  31. 31.42 is 75% of ?
  32. 32.15% of a number is 6. What is the number?
  33. 33.15% of a number is 3. What is the number?
  34. 34.12% of a number is 30. What is the number?
  35. 35.Meera spent ₹76, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  36. 36.Isha spent ₹99, which is 30% of the pocket money. How much pocket money did Isha have, in rupees?
  37. 37.Riya spent ₹24, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  38. 38.Isha spent ₹57, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  39. 39.84 is 60% of ?
  40. 40.10% of a number is 35. What is the number?

Answer key

  1. 390
  2. 125
  3. 40
  4. 380
  5. 325
  6. 376
  7. 70
  8. 324
  9. 60
  10. 84
  11. 300
  12. 400
  13. 95
  14. 396
  15. 32
  16. 320
  17. 100
  18. 15
  19. 225
  20. 290
  21. 240
  22. 295
  23. 160
  24. 310
  25. 35
  26. 300
  27. 390
  28. 20
  29. 244
  30. 380
  31. 56
  32. 40
  33. 20
  34. 250
  35. 380
  36. 330
  37. 200
  38. 380
  39. 140
  40. 350

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