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Percentage lesson 9: Find the whole from a percent · Set 597 · 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 ₹19, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?
  2. 2.Rohan spent ₹24, which is 12% of the pocket money. How much pocket money did Rohan have, in rupees?
  3. 3.Diya spent ₹27, which is 15% of the pocket money. How much pocket money did Diya have, in rupees?
  4. 4.15% of a number is 27. What is the number?
  5. 5.Meera spent ₹114, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  6. 6.Diya spent ₹21, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  7. 7.Meera spent ₹35, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  8. 8.50% of a number is 173. What is the number?
  9. 9.Meera spent ₹54, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  10. 10.10% of a number is 2. What is the number?
  11. 11.75 is 75% of ?
  12. 12.Meera spent ₹45, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  13. 13.Sara spent ₹136, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  14. 14.30% of a number is 99. What is the number?
  15. 15.Arjun spent ₹1, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?
  16. 16.Ishaan spent ₹93, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  17. 17.80% of a number is 320. What is the number?
  18. 18.33 is 15% of ?
  19. 19.Ishaan spent ₹36, which is 60% of the pocket money. How much pocket money did Ishaan have, in rupees?
  20. 20.Ishaan spent ₹15, which is 5% of the pocket money. How much pocket money did Ishaan have, in rupees?
  21. 21.9 is 20% of ?
  22. 22.80% of a number is 72. What is the number?
  23. 23.40% of a number is 28. What is the number?
  24. 24.160 is 50% of ?
  25. 25.Anaya spent ₹56, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  26. 26.142 is 40% of ?
  27. 27.Sara spent ₹5, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  28. 28.27 is 15% of ?
  29. 29.12% of a number is 21. What is the number?
  30. 30.Diya spent ₹270, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  31. 31.80% of a number is 308. What is the number?
  32. 32.12% of a number is 15. What is the number?
  33. 33.15% of a number is 30. What is the number?
  34. 34.60% of a number is 177. What is the number?
  35. 35.20% of a number is 2. What is the number?
  36. 36.Aarav spent ₹66, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  37. 37.93 is 30% of ?
  38. 38.Arjun spent ₹21, which is 15% of the pocket money. How much pocket money did Arjun have, in rupees?
  39. 39.144 is 80% of ?
  40. 40.Diya spent ₹12, which is 20% of the pocket money. How much pocket money did Diya have, in rupees?

Answer key

  1. 380
  2. 200
  3. 180
  4. 180
  5. 190
  6. 175
  7. 350
  8. 346
  9. 360
  10. 20
  11. 100
  12. 375
  13. 170
  14. 330
  15. 20
  16. 124
  17. 400
  18. 220
  19. 60
  20. 300
  21. 45
  22. 90
  23. 70
  24. 320
  25. 280
  26. 355
  27. 50
  28. 180
  29. 175
  30. 360
  31. 385
  32. 125
  33. 200
  34. 295
  35. 10
  36. 110
  37. 310
  38. 140
  39. 180
  40. 60

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