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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 235 · 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. 1.3 is 50% of ?
  2. 2.78 is 30% of ?
  3. 3.Meera spent ₹40, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  4. 4.Kabir spent ₹36, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  5. 5.152 is 40% of ?
  6. 6.5% of a number is 4. What is the number?
  7. 7.Ishaan spent ₹29, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  8. 8.5% of a number is 20. What is the number?
  9. 9.27 is 60% of ?
  10. 10.Ishaan spent ₹42, which is 60% of the pocket money. How much pocket money did Ishaan have, in rupees?
  11. 11.50% of a number is 172. What is the number?
  12. 12.Kabir spent ₹49, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  13. 13.Anaya spent ₹108, which is 80% of the pocket money. How much pocket money did Anaya have, in rupees?
  14. 14.Rohan spent ₹231, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  15. 15.120 is 40% of ?
  16. 16.36 is 10% of ?
  17. 17.60% of a number is 3. What is the number?
  18. 18.75% of a number is 84. What is the number?
  19. 19.72 is 30% of ?
  20. 20.15 is 60% of ?
  21. 21.5% of a number is 14. What is the number?
  22. 22.64 is 80% of ?
  23. 23.30% of a number is 45. What is the number?
  24. 24.Arjun spent ₹16, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  25. 25.Diya spent ₹21, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  26. 26.Ishaan spent ₹92, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  27. 27.Riya spent ₹171, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  28. 28.30% of a number is 18. What is the number?
  29. 29.25% of a number is 51. What is the number?
  30. 30.20% of a number is 56. What is the number?
  31. 31.Aarav spent ₹296, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  32. 32.40% of a number is 14. What is the number?
  33. 33.25% of a number is 98. What is the number?
  34. 34.75% of a number is 75. What is the number?
  35. 35.Rohan spent ₹106, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  36. 36.Kabir spent ₹94, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  37. 37.Meera spent ₹21, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  38. 38.Arjun spent ₹8, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?
  39. 39.40% of a number is 2. What is the number?
  40. 40.17 is 50% of ?

Answer key

  1. 6
  2. 260
  3. 400
  4. 90
  5. 380
  6. 80
  7. 58
  8. 400
  9. 45
  10. 70
  11. 344
  12. 245
  13. 135
  14. 308
  15. 300
  16. 360
  17. 5
  18. 112
  19. 240
  20. 25
  21. 280
  22. 80
  23. 150
  24. 160
  25. 175
  26. 230
  27. 342
  28. 60
  29. 204
  30. 280
  31. 370
  32. 35
  33. 392
  34. 100
  35. 212
  36. 235
  37. 210
  38. 160
  39. 5
  40. 34

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