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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 828 · 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. 1.50% of a number is 19. What is the number?
  2. 2.Anaya spent ₹86, which is 40% of the pocket money. How much pocket money did Anaya have, in rupees?
  3. 3.237 is 75% of ?
  4. 4.56 is 50% of ?
  5. 5.Isha spent ₹156, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  6. 6.Diya spent ₹24, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  7. 7.Isha spent ₹55, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  8. 8.Riya spent ₹10, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  9. 9.Diya spent ₹84, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  10. 10.24 is 12% of ?
  11. 11.Isha spent ₹81, which is 75% of the pocket money. How much pocket money did Isha have, in rupees?
  12. 12.75% of a number is 21. What is the number?
  13. 13.5% of a number is 6. What is the number?
  14. 14.30% of a number is 120. What is the number?
  15. 15.Isha spent ₹14, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  16. 16.25% of a number is 17. What is the number?
  17. 17.25% of a number is 10. What is the number?
  18. 18.Aarav spent ₹15, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  19. 19.96 is 30% of ?
  20. 20.70 is 50% of ?
  21. 21.Dev spent ₹3, which is 5% of the pocket money. How much pocket money did Dev have, in rupees?
  22. 22.Diya spent ₹36, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  23. 23.282 is 75% of ?
  24. 24.10% of a number is 21. What is the number?
  25. 25.60% of a number is 123. What is the number?
  26. 26.12% of a number is 3. What is the number?
  27. 27.75% of a number is 105. What is the number?
  28. 28.75% of a number is 45. What is the number?
  29. 29.36 is 12% of ?
  30. 30.Dev spent ₹94, which is 40% of the pocket money. How much pocket money did Dev have, in rupees?
  31. 31.9 is 15% of ?
  32. 32.Rohan spent ₹137, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  33. 33.Isha spent ₹102, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  34. 34.10% of a number is 6. What is the number?
  35. 35.10% of a number is 16. What is the number?
  36. 36.Arjun spent ₹15, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  37. 37.36 is 50% of ?
  38. 38.36 is 30% of ?
  39. 39.6 is 5% of ?
  40. 40.Diya spent ₹14, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?

Answer key

  1. 38
  2. 215
  3. 316
  4. 112
  5. 195
  6. 200
  7. 220
  8. 100
  9. 280
  10. 200
  11. 108
  12. 28
  13. 120
  14. 400
  15. 140
  16. 68
  17. 40
  18. 125
  19. 320
  20. 140
  21. 60
  22. 300
  23. 376
  24. 210
  25. 205
  26. 25
  27. 140
  28. 60
  29. 300
  30. 235
  31. 60
  32. 274
  33. 170
  34. 60
  35. 160
  36. 125
  37. 72
  38. 120
  39. 120
  40. 56

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