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Percentage lesson 9: Find the whole from a percent · Set 44 · 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. 1.12% of a number is 27. What is the number?
  2. 2.Rohan spent ₹40, which is 80% of the pocket money. How much pocket money did Rohan have, in rupees?
  3. 3.148 is 80% of ?
  4. 4.30% of a number is 18. What is the number?
  5. 5.50% of a number is 73. What is the number?
  6. 6.30% of a number is 75. What is the number?
  7. 7.30% of a number is 42. What is the number?
  8. 8.10% of a number is 28. What is the number?
  9. 9.80% of a number is 92. What is the number?
  10. 10.25 is 50% of ?
  11. 11.10% of a number is 9. What is the number?
  12. 12.60% of a number is 6. What is the number?
  13. 13.15 is 15% of ?
  14. 14.Diya spent ₹20, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  15. 15.Sara spent ₹111, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  16. 16.25% of a number is 46. What is the number?
  17. 17.Arjun spent ₹68, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  18. 18.288 is 75% of ?
  19. 19.252 is 80% of ?
  20. 20.189 is 75% of ?
  21. 21.60% of a number is 165. What is the number?
  22. 22.Anaya spent ₹21, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  23. 23.Arjun spent ₹36, which is 15% of the pocket money. How much pocket money did Arjun have, in rupees?
  24. 24.Diya spent ₹3, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  25. 25.12 is 12% of ?
  26. 26.12 is 25% of ?
  27. 27.Meera spent ₹152, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  28. 28.19 is 10% of ?
  29. 29.60% of a number is 204. What is the number?
  30. 30.23 is 25% of ?
  31. 31.39 is 20% of ?
  32. 32.Ishaan spent ₹18, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  33. 33.228 is 80% of ?
  34. 34.60 is 15% of ?
  35. 35.30% of a number is 69. What is the number?
  36. 36.13 is 20% of ?
  37. 37.48 is 20% of ?
  38. 38.Meera spent ₹120, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  39. 39.75% of a number is 183. What is the number?
  40. 40.15% of a number is 6. What is the number?

Answer key

  1. 225
  2. 50
  3. 185
  4. 60
  5. 146
  6. 250
  7. 140
  8. 280
  9. 115
  10. 50
  11. 90
  12. 10
  13. 100
  14. 200
  15. 370
  16. 184
  17. 136
  18. 384
  19. 315
  20. 252
  21. 275
  22. 140
  23. 240
  24. 25
  25. 100
  26. 48
  27. 304
  28. 190
  29. 340
  30. 92
  31. 195
  32. 150
  33. 285
  34. 400
  35. 230
  36. 65
  37. 240
  38. 200
  39. 244
  40. 40

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