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Percentage lesson 9: Find the whole from a percent · Set 394 · 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.Isha spent ₹9, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?
  2. 2.Riya spent ₹48, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  3. 3.198 is 50% of ?
  4. 4.15% of a number is 60. What is the number?
  5. 5.30% of a number is 42. What is the number?
  6. 6.18 is 15% of ?
  7. 7.12% of a number is 27. What is the number?
  8. 8.15% of a number is 27. What is the number?
  9. 9.Kabir spent ₹36, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  10. 10.Rohan spent ₹29, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  11. 11.60% of a number is 135. What is the number?
  12. 12.15% of a number is 45. What is the number?
  13. 13.Arjun spent ₹5, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?
  14. 14.30% of a number is 75. What is the number?
  15. 15.25 is 10% of ?
  16. 16.Anaya spent ₹18, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  17. 17.80% of a number is 96. What is the number?
  18. 18.Aarav spent ₹90, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  19. 19.40% of a number is 158. What is the number?
  20. 20.172 is 50% of ?
  21. 21.Ishaan spent ₹19, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  22. 22.50% of a number is 145. What is the number?
  23. 23.Meera spent ₹25, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  24. 24.Kabir spent ₹31, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  25. 25.Kabir spent ₹28, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  26. 26.Riya spent ₹6, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  27. 27.5% of a number is 13. What is the number?
  28. 28.54 is 60% of ?
  29. 29.41 is 25% of ?
  30. 30.80% of a number is 208. What is the number?
  31. 31.Isha spent ₹5, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  32. 32.173 is 50% of ?
  33. 33.33 is 30% of ?
  34. 34.Dev spent ₹79, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  35. 35.Anaya spent ₹165, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  36. 36.Arjun spent ₹40, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  37. 37.Aarav spent ₹45, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  38. 38.11 is 25% of ?
  39. 39.10% of a number is 10. What is the number?
  40. 40.14 is 20% of ?

Answer key

  1. 75
  2. 160
  3. 396
  4. 400
  5. 140
  6. 120
  7. 225
  8. 180
  9. 90
  10. 58
  11. 225
  12. 300
  13. 100
  14. 250
  15. 250
  16. 150
  17. 120
  18. 120
  19. 395
  20. 344
  21. 38
  22. 290
  23. 100
  24. 310
  25. 280
  26. 120
  27. 260
  28. 90
  29. 164
  30. 260
  31. 25
  32. 346
  33. 110
  34. 395
  35. 220
  36. 160
  37. 375
  38. 44
  39. 100
  40. 70

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