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Percentage lesson 9: Find the whole from a percent · Set 403 · 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.Kabir spent ₹198, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  2. 2.Aarav spent ₹99, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  3. 3.48 is 30% of ?
  4. 4.20% of a number is 24. What is the number?
  5. 5.50% of a number is 49. What is the number?
  6. 6.Isha spent ₹29, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  7. 7.40% of a number is 144. What is the number?
  8. 8.Diya spent ₹96, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  9. 9.60% of a number is 108. What is the number?
  10. 10.30% of a number is 48. What is the number?
  11. 11.60% of a number is 57. What is the number?
  12. 12.Anaya spent ₹44, which is 80% of the pocket money. How much pocket money did Anaya have, in rupees?
  13. 13.Diya spent ₹39, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  14. 14.Ishaan spent ₹66, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  15. 15.33 is 12% of ?
  16. 16.15% of a number is 36. What is the number?
  17. 17.25 is 20% of ?
  18. 18.Meera spent ₹16, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  19. 19.Diya spent ₹216, which is 80% of the pocket money. How much pocket money did Diya have, in rupees?
  20. 20.80% of a number is 200. What is the number?
  21. 21.20% of a number is 35. What is the number?
  22. 22.15% of a number is 18. What is the number?
  23. 23.25 is 25% of ?
  24. 24.68 is 80% of ?
  25. 25.78 is 25% of ?
  26. 26.62 is 25% of ?
  27. 27.60 is 15% of ?
  28. 28.Kabir spent ₹33, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?
  29. 29.Rohan spent ₹78, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  30. 30.28 is 10% of ?
  31. 31.20% of a number is 62. What is the number?
  32. 32.20% of a number is 68. What is the number?
  33. 33.20% of a number is 69. What is the number?
  34. 34.154 is 40% of ?
  35. 35.25% of a number is 33. What is the number?
  36. 36.15% of a number is 15. What is the number?
  37. 37.87 is 25% of ?
  38. 38.80% of a number is 188. What is the number?
  39. 39.20% of a number is 17. What is the number?
  40. 40.40% of a number is 6. What is the number?

Answer key

  1. 330
  2. 165
  3. 160
  4. 120
  5. 98
  6. 58
  7. 360
  8. 240
  9. 180
  10. 160
  11. 95
  12. 55
  13. 390
  14. 264
  15. 275
  16. 240
  17. 125
  18. 40
  19. 270
  20. 250
  21. 175
  22. 120
  23. 100
  24. 85
  25. 312
  26. 248
  27. 400
  28. 275
  29. 260
  30. 280
  31. 310
  32. 340
  33. 345
  34. 385
  35. 132
  36. 100
  37. 348
  38. 235
  39. 85
  40. 15

Free percentage lessons, practice and worksheets at talentjr.in/how-to-calculate-percentage