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Percentage lesson 9: Find the whole from a percent · Set 134 · 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.Arjun spent ₹47, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  2. 2.Arjun spent ₹12, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  3. 3.60% of a number is 24. What is the number?
  4. 4.75% of a number is 48. What is the number?
  5. 5.Isha spent ₹149, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  6. 6.75% of a number is 195. What is the number?
  7. 7.Rohan spent ₹5, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  8. 8.Meera spent ₹7, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  9. 9.23 is 25% of ?
  10. 10.Riya spent ₹39, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  11. 11.Aarav spent ₹114, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  12. 12.50% of a number is 179. What is the number?
  13. 13.50% of a number is 138. What is the number?
  14. 14.5% of a number is 18. What is the number?
  15. 15.12% of a number is 36. What is the number?
  16. 16.Diya spent ₹9, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  17. 17.Anaya spent ₹96, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  18. 18.39 is 15% of ?
  19. 19.40% of a number is 98. What is the number?
  20. 20.Riya spent ₹300, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  21. 21.Dev spent ₹132, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  22. 22.Dev spent ₹29, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  23. 23.Kabir spent ₹123, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  24. 24.Dev spent ₹135, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  25. 25.236 is 80% of ?
  26. 26.Dev spent ₹49, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  27. 27.Rohan spent ₹49, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  28. 28.8 is 50% of ?
  29. 29.6 is 15% of ?
  30. 30.20% of a number is 11. What is the number?
  31. 31.5% of a number is 4. What is the number?
  32. 32.60% of a number is 171. What is the number?
  33. 33.Ishaan spent ₹20, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?
  34. 34.Sara spent ₹44, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  35. 35.12% of a number is 24. What is the number?
  36. 36.Ishaan spent ₹96, which is 60% of the pocket money. How much pocket money did Ishaan have, in rupees?
  37. 37.40% of a number is 68. What is the number?
  38. 38.Sara spent ₹7, which is 5% of the pocket money. How much pocket money did Sara have, in rupees?
  39. 39.Riya spent ₹95, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  40. 40.48 is 15% of ?

Answer key

  1. 94
  2. 100
  3. 40
  4. 64
  5. 298
  6. 260
  7. 25
  8. 140
  9. 92
  10. 260
  11. 380
  12. 358
  13. 276
  14. 360
  15. 300
  16. 75
  17. 192
  18. 260
  19. 245
  20. 400
  21. 220
  22. 145
  23. 164
  24. 180
  25. 295
  26. 196
  27. 245
  28. 16
  29. 40
  30. 55
  31. 80
  32. 285
  33. 200
  34. 110
  35. 200
  36. 160
  37. 170
  38. 140
  39. 380
  40. 320

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