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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 69 · 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. 1.99 is 25% of ?
  2. 2.32 is 20% of ?
  3. 3.20% of a number is 4. What is the number?
  4. 4.Dev spent ₹15, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  5. 5.12% of a number is 42. What is the number?
  6. 6.80% of a number is 4. What is the number?
  7. 7.6 is 12% of ?
  8. 8.49 is 50% of ?
  9. 9.21 is 15% of ?
  10. 10.80% of a number is 296. What is the number?
  11. 11.Kabir spent ₹19, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  12. 12.108 is 30% of ?
  13. 13.15% of a number is 30. What is the number?
  14. 14.Dev spent ₹129, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  15. 15.20% of a number is 32. What is the number?
  16. 16.60% of a number is 36. What is the number?
  17. 17.12 is 10% of ?
  18. 18.Anaya spent ₹51, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  19. 19.80% of a number is 80. What is the number?
  20. 20.10% of a number is 1. What is the number?
  21. 21.Dev spent ₹24, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  22. 22.Diya spent ₹29, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  23. 23.30% of a number is 51. What is the number?
  24. 24.Rohan spent ₹66, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  25. 25.186 is 60% of ?
  26. 26.25% of a number is 6. What is the number?
  27. 27.90 is 30% of ?
  28. 28.28 is 20% of ?
  29. 29.10% of a number is 21. What is the number?
  30. 30.20% of a number is 14. What is the number?
  31. 31.Arjun spent ₹81, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?
  32. 32.69 is 20% of ?
  33. 33.6 is 50% of ?
  34. 34.Riya spent ₹74, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  35. 35.30% of a number is 48. What is the number?
  36. 36.20% of a number is 46. What is the number?
  37. 37.25% of a number is 18. What is the number?
  38. 38.Isha spent ₹16, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  39. 39.Anaya spent ₹48, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  40. 40.18 is 5% of ?

Answer key

  1. 396
  2. 160
  3. 20
  4. 75
  5. 350
  6. 5
  7. 50
  8. 98
  9. 140
  10. 370
  11. 380
  12. 360
  13. 200
  14. 258
  15. 160
  16. 60
  17. 120
  18. 340
  19. 100
  20. 10
  21. 120
  22. 116
  23. 170
  24. 88
  25. 310
  26. 24
  27. 300
  28. 140
  29. 210
  30. 70
  31. 270
  32. 345
  33. 12
  34. 296
  35. 160
  36. 230
  37. 72
  38. 20
  39. 400
  40. 360

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