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Percentage lesson 9: Find the whole from a percent · Set 537 · 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.

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  1. 1.Rohan spent ₹124, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  2. 2.50% of a number is 56. What is the number?
  3. 3.Kabir spent ₹144, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  4. 4.15% of a number is 33. What is the number?
  5. 5.80% of a number is 208. What is the number?
  6. 6.Anaya spent ₹33, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  7. 7.Anaya spent ₹102, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  8. 8.Kabir spent ₹36, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  9. 9.6 is 75% of ?
  10. 10.15% of a number is 9. What is the number?
  11. 11.Kabir spent ₹4, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  12. 12.15% of a number is 42. What is the number?
  13. 13.Diya spent ₹30, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  14. 14.10% of a number is 30. What is the number?
  15. 15.31 is 10% of ?
  16. 16.15% of a number is 45. What is the number?
  17. 17.75% of a number is 147. What is the number?
  18. 18.30% of a number is 84. What is the number?
  19. 19.165 is 75% of ?
  20. 20.40% of a number is 86. What is the number?
  21. 21.75% of a number is 33. What is the number?
  22. 22.15% of a number is 12. What is the number?
  23. 23.Arjun spent ₹213, which is 60% of the pocket money. How much pocket money did Arjun have, in rupees?
  24. 24.12% of a number is 30. What is the number?
  25. 25.Sara spent ₹42, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  26. 26.93 is 25% of ?
  27. 27.30 is 12% of ?
  28. 28.30 is 75% of ?
  29. 29.12% of a number is 12. What is the number?
  30. 30.Meera spent ₹24, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  31. 31.Kabir spent ₹45, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?
  32. 32.Ishaan spent ₹72, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  33. 33.20% of a number is 45. What is the number?
  34. 34.Meera spent ₹71, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  35. 35.15 is 12% of ?
  36. 36.15% of a number is 57. What is the number?
  37. 37.Diya spent ₹17, which is 5% of the pocket money. How much pocket money did Diya have, in rupees?
  38. 38.20% of a number is 44. What is the number?
  39. 39.256 is 80% of ?
  40. 40.Ishaan spent ₹45, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?

Answer key

  1. 248
  2. 112
  3. 180
  4. 220
  5. 260
  6. 110
  7. 340
  8. 48
  9. 8
  10. 60
  11. 80
  12. 280
  13. 40
  14. 300
  15. 310
  16. 300
  17. 196
  18. 280
  19. 220
  20. 215
  21. 44
  22. 80
  23. 355
  24. 250
  25. 350
  26. 372
  27. 250
  28. 40
  29. 100
  30. 200
  31. 375
  32. 288
  33. 225
  34. 355
  35. 125
  36. 380
  37. 340
  38. 220
  39. 320
  40. 60

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