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Percentage lesson 9: Find the whole from a percent · Set 82 · 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. 1.7 is 5% of ?
  2. 2.87 is 30% of ?
  3. 3.Aarav spent ₹29, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  4. 4.10% of a number is 1. What is the number?
  5. 5.80% of a number is 196. What is the number?
  6. 6.260 is 80% of ?
  7. 7.50% of a number is 97. What is the number?
  8. 8.5% of a number is 6. What is the number?
  9. 9.Meera spent ₹141, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  10. 10.25% of a number is 73. What is the number?
  11. 11.60% of a number is 93. What is the number?
  12. 12.42 is 20% of ?
  13. 13.51 is 15% of ?
  14. 14.264 is 75% of ?
  15. 15.30% of a number is 108. What is the number?
  16. 16.114 is 50% of ?
  17. 17.25% of a number is 6. What is the number?
  18. 18.9 is 10% of ?
  19. 19.21 is 60% of ?
  20. 20.60% of a number is 72. What is the number?
  21. 21.Ishaan spent ₹60, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  22. 22.20% of a number is 2. What is the number?
  23. 23.8 is 25% of ?
  24. 24.Dev spent ₹48, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  25. 25.Kabir spent ₹97, which is 50% of the pocket money. How much pocket money did Kabir have, in rupees?
  26. 26.10% of a number is 24. What is the number?
  27. 27.172 is 80% of ?
  28. 28.116 is 80% of ?
  29. 29.Aarav spent ₹8, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  30. 30.Dev spent ₹18, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  31. 31.50% of a number is 68. What is the number?
  32. 32.Sara spent ₹213, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  33. 33.75% of a number is 42. What is the number?
  34. 34.5% of a number is 13. What is the number?
  35. 35.258 is 75% of ?
  36. 36.20% of a number is 26. What is the number?
  37. 37.75% of a number is 87. What is the number?
  38. 38.60% of a number is 108. What is the number?
  39. 39.50% of a number is 104. What is the number?
  40. 40.36 is 75% of ?

Answer key

  1. 140
  2. 290
  3. 116
  4. 10
  5. 245
  6. 325
  7. 194
  8. 120
  9. 235
  10. 292
  11. 155
  12. 210
  13. 340
  14. 352
  15. 360
  16. 228
  17. 24
  18. 90
  19. 35
  20. 120
  21. 400
  22. 10
  23. 32
  24. 160
  25. 194
  26. 240
  27. 215
  28. 145
  29. 160
  30. 60
  31. 136
  32. 284
  33. 56
  34. 260
  35. 344
  36. 130
  37. 116
  38. 180
  39. 208
  40. 48

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