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Percentage lesson 9: Find the whole from a percent · Set 118 · 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.Riya spent ₹16, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  2. 2.Meera spent ₹228, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  3. 3.Riya spent ₹153, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  4. 4.50% of a number is 49. What is the number?
  5. 5.7 is 5% of ?
  6. 6.12 is 15% of ?
  7. 7.25% of a number is 76. What is the number?
  8. 8.75% of a number is 102. What is the number?
  9. 9.192 is 60% of ?
  10. 10.42 is 40% of ?
  11. 11.30% of a number is 90. What is the number?
  12. 12.12 is 12% of ?
  13. 13.189 is 75% of ?
  14. 14.30% of a number is 96. What is the number?
  15. 15.Ishaan spent ₹38, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  16. 16.75 is 60% of ?
  17. 17.42 is 50% of ?
  18. 18.50% of a number is 81. What is the number?
  19. 19.79 is 20% of ?
  20. 20.25% of a number is 44. What is the number?
  21. 21.5% of a number is 19. What is the number?
  22. 22.Kabir spent ₹34, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  23. 23.20% of a number is 76. What is the number?
  24. 24.30% of a number is 24. What is the number?
  25. 25.32 is 20% of ?
  26. 26.60% of a number is 201. What is the number?
  27. 27.117 is 75% of ?
  28. 28.20% of a number is 22. What is the number?
  29. 29.118 is 50% of ?
  30. 30.15% of a number is 18. What is the number?
  31. 31.37 is 10% of ?
  32. 32.95 is 25% of ?
  33. 33.Diya spent ₹36, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  34. 34.47 is 20% of ?
  35. 35.80% of a number is 20. What is the number?
  36. 36.60% of a number is 27. What is the number?
  37. 37.122 is 50% of ?
  38. 38.Kabir spent ₹51, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  39. 39.Kabir spent ₹200, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  40. 40.54 is 15% of ?

Answer key

  1. 64
  2. 285
  3. 204
  4. 98
  5. 140
  6. 80
  7. 304
  8. 136
  9. 320
  10. 105
  11. 300
  12. 100
  13. 252
  14. 320
  15. 95
  16. 125
  17. 84
  18. 162
  19. 395
  20. 176
  21. 380
  22. 85
  23. 380
  24. 80
  25. 160
  26. 335
  27. 156
  28. 110
  29. 236
  30. 120
  31. 370
  32. 380
  33. 120
  34. 235
  35. 25
  36. 45
  37. 244
  38. 204
  39. 250
  40. 360

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