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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 251 · 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. 1.98 is 40% of ?
  2. 2.30 is 12% of ?
  3. 3.9 is 15% of ?
  4. 4.68 is 25% of ?
  5. 5.Riya spent ₹192, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  6. 6.25% of a number is 2. What is the number?
  7. 7.128 is 50% of ?
  8. 8.Meera spent ₹216, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  9. 9.Isha spent ₹14, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  10. 10.Sara spent ₹78, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  11. 11.60% of a number is 96. What is the number?
  12. 12.80% of a number is 16. What is the number?
  13. 13.42 is 15% of ?
  14. 14.54 is 15% of ?
  15. 15.Arjun spent ₹27, which is 15% of the pocket money. How much pocket money did Arjun have, in rupees?
  16. 16.Sara spent ₹106, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  17. 17.60% of a number is 168. What is the number?
  18. 18.Rohan spent ₹6, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  19. 19.1 is 5% of ?
  20. 20.Kabir spent ₹2, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  21. 21.10% of a number is 24. What is the number?
  22. 22.75% of a number is 9. What is the number?
  23. 23.40% of a number is 28. What is the number?
  24. 24.50% of a number is 140. What is the number?
  25. 25.12% of a number is 39. What is the number?
  26. 26.Sara spent ₹48, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  27. 27.1 is 10% of ?
  28. 28.13 is 10% of ?
  29. 29.270 is 75% of ?
  30. 30.16 is 50% of ?
  31. 31.75% of a number is 219. What is the number?
  32. 32.12% of a number is 30. What is the number?
  33. 33.30% of a number is 90. What is the number?
  34. 34.10% of a number is 19. What is the number?
  35. 35.Rohan spent ₹16, which is 5% of the pocket money. How much pocket money did Rohan have, in rupees?
  36. 36.50 is 20% of ?
  37. 37.75% of a number is 192. What is the number?
  38. 38.25% of a number is 6. What is the number?
  39. 39.28 is 10% of ?
  40. 40.50% of a number is 163. What is the number?

Answer key

  1. 245
  2. 250
  3. 60
  4. 272
  5. 320
  6. 8
  7. 256
  8. 360
  9. 140
  10. 156
  11. 160
  12. 20
  13. 280
  14. 360
  15. 180
  16. 265
  17. 280
  18. 60
  19. 20
  20. 20
  21. 240
  22. 12
  23. 70
  24. 280
  25. 325
  26. 64
  27. 10
  28. 130
  29. 360
  30. 32
  31. 292
  32. 250
  33. 300
  34. 190
  35. 320
  36. 250
  37. 256
  38. 24
  39. 280
  40. 326

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