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Percentage lesson 9: Find the whole from a percent · Set 707 · 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. 1.189 is 75% of ?
  2. 2.42 is 15% of ?
  3. 3.Anaya spent ₹30, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  4. 4.96 is 25% of ?
  5. 5.Aarav spent ₹72, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  6. 6.Aarav spent ₹21, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  7. 7.Dev spent ₹228, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  8. 8.80% of a number is 56. What is the number?
  9. 9.Anaya spent ₹33, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  10. 10.12% of a number is 45. What is the number?
  11. 11.5% of a number is 4. What is the number?
  12. 12.Rohan spent ₹114, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  13. 13.27 is 30% of ?
  14. 14.9 is 12% of ?
  15. 15.130 is 40% of ?
  16. 16.12% of a number is 48. What is the number?
  17. 17.60% of a number is 198. What is the number?
  18. 18.316 is 80% of ?
  19. 19.Riya spent ₹304, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  20. 20.201 is 75% of ?
  21. 21.80% of a number is 232. What is the number?
  22. 22.40% of a number is 114. What is the number?
  23. 23.15% of a number is 36. What is the number?
  24. 24.3 is 5% of ?
  25. 25.Aarav spent ₹12, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  26. 26.40% of a number is 158. What is the number?
  27. 27.34 is 10% of ?
  28. 28.20% of a number is 47. What is the number?
  29. 29.17 is 10% of ?
  30. 30.Isha spent ₹196, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  31. 31.50 is 25% of ?
  32. 32.Ishaan spent ₹133, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  33. 33.Kabir spent ₹8, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  34. 34.93 is 50% of ?
  35. 35.50% of a number is 158. What is the number?
  36. 36.30% of a number is 36. What is the number?
  37. 37.78 is 30% of ?
  38. 38.44 is 80% of ?
  39. 39.30% of a number is 102. What is the number?
  40. 40.5% of a number is 1. What is the number?

Answer key

  1. 252
  2. 280
  3. 100
  4. 384
  5. 96
  6. 175
  7. 380
  8. 70
  9. 275
  10. 375
  11. 80
  12. 380
  13. 90
  14. 75
  15. 325
  16. 400
  17. 330
  18. 395
  19. 380
  20. 268
  21. 290
  22. 285
  23. 240
  24. 60
  25. 240
  26. 395
  27. 340
  28. 235
  29. 170
  30. 392
  31. 200
  32. 266
  33. 80
  34. 186
  35. 316
  36. 120
  37. 260
  38. 55
  39. 340
  40. 20

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