← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 303 · 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. 1.25% of a number is 17. What is the number?
  2. 2.2 is 5% of ?
  3. 3.12% of a number is 30. What is the number?
  4. 4.Dev spent ₹244, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  5. 5.18 is 60% of ?
  6. 6.Kabir spent ₹132, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  7. 7.23 is 10% of ?
  8. 8.Aarav spent ₹13, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  9. 9.10 is 25% of ?
  10. 10.27 is 12% of ?
  11. 11.25% of a number is 38. What is the number?
  12. 12.Anaya spent ₹39, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  13. 13.15% of a number is 15. What is the number?
  14. 14.60% of a number is 189. What is the number?
  15. 15.Kabir spent ₹18, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  16. 16.Sara spent ₹30, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  17. 17.5% of a number is 4. What is the number?
  18. 18.60% of a number is 72. What is the number?
  19. 19.34 is 20% of ?
  20. 20.Riya spent ₹30, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  21. 21.10% of a number is 11. What is the number?
  22. 22.Isha spent ₹54, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  23. 23.Anaya spent ₹29, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  24. 24.Diya spent ₹18, which is 20% of the pocket money. How much pocket money did Diya have, in rupees?
  25. 25.10% of a number is 14. What is the number?
  26. 26.12 is 5% of ?
  27. 27.30% of a number is 120. What is the number?
  28. 28.Riya spent ₹13, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  29. 29.60% of a number is 108. What is the number?
  30. 30.Sara spent ₹31, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  31. 31.25% of a number is 21. What is the number?
  32. 32.80% of a number is 28. What is the number?
  33. 33.50% of a number is 107. What is the number?
  34. 34.14 is 20% of ?
  35. 35.Rohan spent ₹79, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  36. 36.Kabir spent ₹192, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  37. 37.213 is 75% of ?
  38. 38.Diya spent ₹282, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  39. 39.10% of a number is 6. What is the number?
  40. 40.7 is 25% of ?

Answer key

  1. 68
  2. 40
  3. 250
  4. 305
  5. 30
  6. 330
  7. 230
  8. 260
  9. 40
  10. 225
  11. 152
  12. 78
  13. 100
  14. 315
  15. 180
  16. 75
  17. 80
  18. 120
  19. 170
  20. 200
  21. 110
  22. 360
  23. 58
  24. 90
  25. 140
  26. 240
  27. 400
  28. 26
  29. 180
  30. 310
  31. 84
  32. 35
  33. 214
  34. 70
  35. 395
  36. 240
  37. 284
  38. 376
  39. 60
  40. 28

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