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Percentage lesson 9: Find the whole from a percent · Set 722 · 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.Rohan spent ₹26, which is 40% of the pocket money. How much pocket money did Rohan have, in rupees?
  2. 2.5% of a number is 1. What is the number?
  3. 3.Dev spent ₹104, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  4. 4.Kabir spent ₹191, which is 50% of the pocket money. How much pocket money did Kabir have, in rupees?
  5. 5.72 is 60% of ?
  6. 6.Isha spent ₹9, which is 5% of the pocket money. How much pocket money did Isha have, in rupees?
  7. 7.33 is 12% of ?
  8. 8.Anaya spent ₹108, which is 40% of the pocket money. How much pocket money did Anaya have, in rupees?
  9. 9.Kabir spent ₹116, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  10. 10.Anaya spent ₹76, which is 80% of the pocket money. How much pocket money did Anaya have, in rupees?
  11. 11.10% of a number is 18. What is the number?
  12. 12.75% of a number is 120. What is the number?
  13. 13.45 is 15% of ?
  14. 14.58 is 40% of ?
  15. 15.5% of a number is 7. What is the number?
  16. 16.120 is 75% of ?
  17. 17.84 is 80% of ?
  18. 18.15% of a number is 21. What is the number?
  19. 19.60% of a number is 132. What is the number?
  20. 20.50% of a number is 107. What is the number?
  21. 21.Riya spent ₹12, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  22. 22.Aarav spent ₹5, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  23. 23.10% of a number is 32. What is the number?
  24. 24.Meera spent ₹285, which is 75% of the pocket money. How much pocket money did Meera have, in rupees?
  25. 25.Arjun spent ₹17, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  26. 26.222 is 75% of ?
  27. 27.9 is 12% of ?
  28. 28.Aarav spent ₹4, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  29. 29.108 is 40% of ?
  30. 30.Diya spent ₹12, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  31. 31.20% of a number is 3. What is the number?
  32. 32.Meera spent ₹27, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  33. 33.Rohan spent ₹183, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  34. 34.Aarav spent ₹33, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  35. 35.60 is 75% of ?
  36. 36.Sara spent ₹48, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  37. 37.Kabir spent ₹39, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  38. 38.Rohan spent ₹114, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  39. 39.5% of a number is 18. What is the number?
  40. 40.40% of a number is 140. What is the number?

Answer key

  1. 65
  2. 20
  3. 130
  4. 382
  5. 120
  6. 180
  7. 275
  8. 270
  9. 290
  10. 95
  11. 180
  12. 160
  13. 300
  14. 145
  15. 140
  16. 160
  17. 105
  18. 140
  19. 220
  20. 214
  21. 20
  22. 25
  23. 320
  24. 380
  25. 170
  26. 296
  27. 75
  28. 80
  29. 270
  30. 100
  31. 15
  32. 135
  33. 244
  34. 275
  35. 80
  36. 400
  37. 260
  38. 380
  39. 360
  40. 350

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