← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 487 · 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. 1.10% of a number is 31. What is the number?
  2. 2.10% of a number is 17. What is the number?
  3. 3.98 is 25% of ?
  4. 4.30% of a number is 108. What is the number?
  5. 5.12% of a number is 33. What is the number?
  6. 6.Isha spent ₹14, which is 5% of the pocket money. How much pocket money did Isha have, in rupees?
  7. 7.10% of a number is 12. What is the number?
  8. 8.95 is 25% of ?
  9. 9.Sara spent ₹32, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  10. 10.75% of a number is 207. What is the number?
  11. 11.36 is 10% of ?
  12. 12.Riya spent ₹14, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  13. 13.26 is 40% of ?
  14. 14.2 is 5% of ?
  15. 15.Sara spent ₹19, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  16. 16.80% of a number is 52. What is the number?
  17. 17.186 is 75% of ?
  18. 18.Rohan spent ₹183, which is 60% of the pocket money. How much pocket money did Rohan have, in rupees?
  19. 19.25% of a number is 80. What is the number?
  20. 20.31 is 10% of ?
  21. 21.15% of a number is 36. What is the number?
  22. 22.72 is 25% of ?
  23. 23.Sara spent ₹57, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?
  24. 24.Isha spent ₹93, which is 30% of the pocket money. How much pocket money did Isha have, in rupees?
  25. 25.177 is 60% of ?
  26. 26.40% of a number is 78. What is the number?
  27. 27.20% of a number is 5. What is the number?
  28. 28.15% of a number is 18. What is the number?
  29. 29.Sara spent ₹12, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  30. 30.12% of a number is 45. What is the number?
  31. 31.237 is 75% of ?
  32. 32.Aarav spent ₹46, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  33. 33.Diya spent ₹17, which is 5% of the pocket money. How much pocket money did Diya have, in rupees?
  34. 34.Aarav spent ₹7, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  35. 35.75% of a number is 270. What is the number?
  36. 36.90 is 25% of ?
  37. 37.Isha spent ₹240, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  38. 38.76 is 20% of ?
  39. 39.80% of a number is 172. What is the number?
  40. 40.117 is 30% of ?

Answer key

  1. 310
  2. 170
  3. 392
  4. 360
  5. 275
  6. 280
  7. 120
  8. 380
  9. 64
  10. 276
  11. 360
  12. 70
  13. 65
  14. 40
  15. 190
  16. 65
  17. 248
  18. 305
  19. 320
  20. 310
  21. 240
  22. 288
  23. 380
  24. 310
  25. 295
  26. 195
  27. 25
  28. 120
  29. 100
  30. 375
  31. 316
  32. 115
  33. 340
  34. 28
  35. 360
  36. 360
  37. 400
  38. 380
  39. 215
  40. 390

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