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Percentage lesson 9: Find the whole from a percent · Set 370 · 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.Arjun spent ₹6, which is 15% of the pocket money. How much pocket money did Arjun have, in rupees?
  2. 2.15% of a number is 24. What is the number?
  3. 3.15% of a number is 9. What is the number?
  4. 4.30% of a number is 54. What is the number?
  5. 5.5% of a number is 19. What is the number?
  6. 6.45 is 30% of ?
  7. 7.169 is 50% of ?
  8. 8.10% of a number is 2. What is the number?
  9. 9.204 is 80% of ?
  10. 10.Meera spent ₹18, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  11. 11.10% of a number is 38. What is the number?
  12. 12.20% of a number is 40. What is the number?
  13. 13.50% of a number is 191. What is the number?
  14. 14.25% of a number is 30. What is the number?
  15. 15.47 is 25% of ?
  16. 16.Sara spent ₹10, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  17. 17.Kabir spent ₹26, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  18. 18.20% of a number is 49. What is the number?
  19. 19.40% of a number is 34. What is the number?
  20. 20.20% of a number is 39. What is the number?
  21. 21.320 is 80% of ?
  22. 22.273 is 75% of ?
  23. 23.12% of a number is 15. What is the number?
  24. 24.Aarav spent ₹102, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  25. 25.10% of a number is 7. What is the number?
  26. 26.72 is 80% of ?
  27. 27.6 is 25% of ?
  28. 28.57 is 25% of ?
  29. 29.48 is 40% of ?
  30. 30.20% of a number is 8. What is the number?
  31. 31.Meera spent ₹24, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  32. 32.Anaya spent ₹3, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  33. 33.20% of a number is 3. What is the number?
  34. 34.50% of a number is 113. What is the number?
  35. 35.10% of a number is 3. What is the number?
  36. 36.208 is 80% of ?
  37. 37.24 is 50% of ?
  38. 38.Dev spent ₹25, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  39. 39.Anaya spent ₹20, which is 25% of the pocket money. How much pocket money did Anaya have, in rupees?
  40. 40.131 is 50% of ?

Answer key

  1. 40
  2. 160
  3. 60
  4. 180
  5. 380
  6. 150
  7. 338
  8. 20
  9. 255
  10. 360
  11. 380
  12. 200
  13. 382
  14. 120
  15. 188
  16. 20
  17. 104
  18. 245
  19. 85
  20. 195
  21. 400
  22. 364
  23. 125
  24. 340
  25. 70
  26. 90
  27. 24
  28. 228
  29. 120
  30. 40
  31. 48
  32. 10
  33. 15
  34. 226
  35. 30
  36. 260
  37. 48
  38. 50
  39. 80
  40. 262

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