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Percentage lesson 9: Find the whole from a percent · Set 353 · 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.Isha spent ₹76, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  2. 2.13 is 5% of ?
  3. 3.Dev spent ₹117, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  4. 4.5% of a number is 8. What is the number?
  5. 5.Aarav spent ₹279, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  6. 6.5 is 10% of ?
  7. 7.Riya spent ₹10, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  8. 8.Arjun spent ₹79, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  9. 9.Kabir spent ₹81, which is 30% of the pocket money. How much pocket money did Kabir have, in rupees?
  10. 10.Sara spent ₹5, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  11. 11.80% of a number is 104. What is the number?
  12. 12.Anaya spent ₹114, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  13. 13.5% of a number is 19. What is the number?
  14. 14.Aarav spent ₹320, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  15. 15.5% of a number is 17. What is the number?
  16. 16.104 is 40% of ?
  17. 17.5% of a number is 1. What is the number?
  18. 18.20% of a number is 1. What is the number?
  19. 19.Aarav spent ₹26, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  20. 20.40% of a number is 18. What is the number?
  21. 21.Rohan spent ₹19, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  22. 22.Rohan spent ₹114, which is 60% of the pocket money. How much pocket money did Rohan have, in rupees?
  23. 23.Ishaan spent ₹36, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  24. 24.40% of a number is 28. What is the number?
  25. 25.3 is 30% of ?
  26. 26.60% of a number is 120. What is the number?
  27. 27.60% of a number is 213. What is the number?
  28. 28.80% of a number is 248. What is the number?
  29. 29.49 is 50% of ?
  30. 30.Anaya spent ₹75, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  31. 31.10% of a number is 36. What is the number?
  32. 32.25% of a number is 70. What is the number?
  33. 33.12% of a number is 42. What is the number?
  34. 34.1 is 20% of ?
  35. 35.95 is 25% of ?
  36. 36.Anaya spent ₹3, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  37. 37.36 is 15% of ?
  38. 38.80% of a number is 180. What is the number?
  39. 39.Riya spent ₹3, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  40. 40.Kabir spent ₹33, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?

Answer key

  1. 152
  2. 260
  3. 234
  4. 160
  5. 372
  6. 50
  7. 25
  8. 395
  9. 270
  10. 50
  11. 130
  12. 380
  13. 380
  14. 400
  15. 340
  16. 260
  17. 20
  18. 5
  19. 260
  20. 45
  21. 190
  22. 190
  23. 300
  24. 70
  25. 10
  26. 200
  27. 355
  28. 310
  29. 98
  30. 375
  31. 360
  32. 280
  33. 350
  34. 5
  35. 380
  36. 25
  37. 240
  38. 225
  39. 30
  40. 275

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