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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 912 · 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. 1.24 is 15% of ?
  2. 2.Kabir spent ₹33, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  3. 3.Sara spent ₹24, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?
  4. 4.Riya spent ₹51, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  5. 5.5% of a number is 6. What is the number?
  6. 6.72 is 40% of ?
  7. 7.24 is 12% of ?
  8. 8.288 is 80% of ?
  9. 9.40% of a number is 40. What is the number?
  10. 10.Riya spent ₹33, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  11. 11.20% of a number is 2. What is the number?
  12. 12.74 is 20% of ?
  13. 13.60% of a number is 186. What is the number?
  14. 14.75% of a number is 21. What is the number?
  15. 15.80% of a number is 100. What is the number?
  16. 16.30% of a number is 51. What is the number?
  17. 17.Anaya spent ₹84, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  18. 18.6 is 12% of ?
  19. 19.30% of a number is 120. What is the number?
  20. 20.100 is 50% of ?
  21. 21.Sara spent ₹54, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?
  22. 22.21 is 75% of ?
  23. 23.50% of a number is 192. What is the number?
  24. 24.88 is 25% of ?
  25. 25.75% of a number is 219. What is the number?
  26. 26.Meera spent ₹9, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  27. 27.60% of a number is 114. What is the number?
  28. 28.Sara spent ₹189, which is 60% of the pocket money. How much pocket money did Sara have, in rupees?
  29. 29.Isha spent ₹261, which is 75% of the pocket money. How much pocket money did Isha have, in rupees?
  30. 30.Sara spent ₹84, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  31. 31.Isha spent ₹237, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  32. 32.40% of a number is 118. What is the number?
  33. 33.225 is 60% of ?
  34. 34.15% of a number is 12. What is the number?
  35. 35.Sara spent ₹276, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  36. 36.Kabir spent ₹9, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?
  37. 37.5% of a number is 18. What is the number?
  38. 38.50% of a number is 72. What is the number?
  39. 39.75% of a number is 255. What is the number?
  40. 40.80% of a number is 136. What is the number?

Answer key

  1. 160
  2. 220
  3. 160
  4. 340
  5. 120
  6. 180
  7. 200
  8. 360
  9. 100
  10. 66
  11. 10
  12. 370
  13. 310
  14. 28
  15. 125
  16. 170
  17. 280
  18. 50
  19. 400
  20. 200
  21. 360
  22. 28
  23. 384
  24. 352
  25. 292
  26. 30
  27. 190
  28. 315
  29. 348
  30. 105
  31. 395
  32. 295
  33. 375
  34. 80
  35. 345
  36. 75
  37. 360
  38. 144
  39. 340
  40. 170

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