← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 362 · 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.Diya spent ₹9, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  2. 2.12% of a number is 42. What is the number?
  3. 3.50% of a number is 63. What is the number?
  4. 4.42 is 20% of ?
  5. 5.32 is 10% of ?
  6. 6.12% of a number is 33. What is the number?
  7. 7.Sara spent ₹33, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  8. 8.Dev spent ₹84, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  9. 9.39 is 75% of ?
  10. 10.156 is 50% of ?
  11. 11.197 is 50% of ?
  12. 12.75% of a number is 204. What is the number?
  13. 13.35 is 20% of ?
  14. 14.75% of a number is 243. What is the number?
  15. 15.Kabir spent ₹21, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  16. 16.15% of a number is 9. What is the number?
  17. 17.50% of a number is 153. What is the number?
  18. 18.Rohan spent ₹37, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  19. 19.Riya spent ₹174, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  20. 20.90 is 75% of ?
  21. 21.Isha spent ₹132, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  22. 22.Aarav spent ₹42, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  23. 23.Aarav spent ₹129, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  24. 24.81 is 30% of ?
  25. 25.30% of a number is 27. What is the number?
  26. 26.Ishaan spent ₹260, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  27. 27.15% of a number is 51. What is the number?
  28. 28.Riya spent ₹60, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  29. 29.Sara spent ₹15, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?
  30. 30.Ishaan spent ₹198, which is 60% of the pocket money. How much pocket money did Ishaan have, in rupees?
  31. 31.216 is 60% of ?
  32. 32.Rohan spent ₹12, which is 5% of the pocket money. How much pocket money did Rohan have, in rupees?
  33. 33.9 is 5% of ?
  34. 34.10% of a number is 40. What is the number?
  35. 35.Dev spent ₹8, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  36. 36.8 is 5% of ?
  37. 37.6 is 5% of ?
  38. 38.25% of a number is 63. What is the number?
  39. 39.60% of a number is 3. What is the number?
  40. 40.30% of a number is 96. What is the number?

Answer key

  1. 90
  2. 350
  3. 126
  4. 210
  5. 320
  6. 275
  7. 66
  8. 168
  9. 52
  10. 312
  11. 394
  12. 272
  13. 175
  14. 324
  15. 105
  16. 60
  17. 306
  18. 185
  19. 232
  20. 120
  21. 165
  22. 105
  23. 215
  24. 270
  25. 90
  26. 325
  27. 340
  28. 200
  29. 100
  30. 330
  31. 360
  32. 240
  33. 180
  34. 400
  35. 10
  36. 160
  37. 120
  38. 252
  39. 5
  40. 320

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