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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 840 · 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. 1.20% of a number is 35. What is the number?
  2. 2.Isha spent ₹108, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  3. 3.12% of a number is 39. What is the number?
  4. 4.162 is 50% of ?
  5. 5.56 is 40% of ?
  6. 6.66 is 25% of ?
  7. 7.5% of a number is 16. What is the number?
  8. 8.Ishaan spent ₹137, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  9. 9.Kabir spent ₹9, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  10. 10.Ishaan spent ₹36, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  11. 11.10% of a number is 24. What is the number?
  12. 12.Sara spent ₹39, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  13. 13.132 is 60% of ?
  14. 14.36 is 80% of ?
  15. 15.15% of a number is 24. What is the number?
  16. 16.Isha spent ₹4, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  17. 17.18 is 15% of ?
  18. 18.Dev spent ₹300, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  19. 19.244 is 80% of ?
  20. 20.50% of a number is 64. What is the number?
  21. 21.Aarav spent ₹18, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  22. 22.80% of a number is 308. What is the number?
  23. 23.51 is 75% of ?
  24. 24.30 is 75% of ?
  25. 25.12% of a number is 45. What is the number?
  26. 26.130 is 40% of ?
  27. 27.Ishaan spent ₹69, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  28. 28.40% of a number is 82. What is the number?
  29. 29.Isha spent ₹64, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  30. 30.139 is 50% of ?
  31. 31.12 is 15% of ?
  32. 32.30% of a number is 93. What is the number?
  33. 33.15% of a number is 18. What is the number?
  34. 34.30% of a number is 45. What is the number?
  35. 35.Anaya spent ₹15, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  36. 36.163 is 50% of ?
  37. 37.25% of a number is 4. What is the number?
  38. 38.39 is 10% of ?
  39. 39.40% of a number is 8. What is the number?
  40. 40.Meera spent ₹51, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?

Answer key

  1. 175
  2. 270
  3. 325
  4. 324
  5. 140
  6. 264
  7. 320
  8. 274
  9. 45
  10. 300
  11. 240
  12. 325
  13. 220
  14. 45
  15. 160
  16. 10
  17. 120
  18. 375
  19. 305
  20. 128
  21. 360
  22. 385
  23. 68
  24. 40
  25. 375
  26. 325
  27. 230
  28. 205
  29. 256
  30. 278
  31. 80
  32. 310
  33. 120
  34. 150
  35. 100
  36. 326
  37. 16
  38. 390
  39. 20
  40. 255

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