← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 897 · 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. 1.15 is 12% of ?
  2. 2.5% of a number is 19. What is the number?
  3. 3.5% of a number is 11. What is the number?
  4. 4.51 is 15% of ?
  5. 5.12% of a number is 3. What is the number?
  6. 6.12% of a number is 27. What is the number?
  7. 7.Arjun spent ₹172, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  8. 8.75% of a number is 141. What is the number?
  9. 9.25% of a number is 7. What is the number?
  10. 10.40% of a number is 152. What is the number?
  11. 11.60% of a number is 171. What is the number?
  12. 12.Meera spent ₹36, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  13. 13.48 is 75% of ?
  14. 14.1 is 10% of ?
  15. 15.10% of a number is 4. What is the number?
  16. 16.Isha spent ₹17, which is 5% of the pocket money. How much pocket money did Isha have, in rupees?
  17. 17.50% of a number is 39. What is the number?
  18. 18.10% of a number is 22. What is the number?
  19. 19.12 is 15% of ?
  20. 20.Meera spent ₹74, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  21. 21.20% of a number is 60. What is the number?
  22. 22.5% of a number is 5. What is the number?
  23. 23.Rohan spent ₹7, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  24. 24.Dev spent ₹166, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  25. 25.75% of a number is 231. What is the number?
  26. 26.30% of a number is 18. What is the number?
  27. 27.20% of a number is 9. What is the number?
  28. 28.Arjun spent ₹57, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  29. 29.Ishaan spent ₹1, which is 5% of the pocket money. How much pocket money did Ishaan have, in rupees?
  30. 30.80% of a number is 180. What is the number?
  31. 31.10% of a number is 16. What is the number?
  32. 32.103 is 50% of ?
  33. 33.92 is 25% of ?
  34. 34.Diya spent ₹8, which is 20% of the pocket money. How much pocket money did Diya have, in rupees?
  35. 35.10% of a number is 1. What is the number?
  36. 36.15% of a number is 30. What is the number?
  37. 37.31 is 25% of ?
  38. 38.5% of a number is 18. What is the number?
  39. 39.25% of a number is 98. What is the number?
  40. 40.50% of a number is 157. What is the number?

Answer key

  1. 125
  2. 380
  3. 220
  4. 340
  5. 25
  6. 225
  7. 215
  8. 188
  9. 28
  10. 380
  11. 285
  12. 144
  13. 64
  14. 10
  15. 40
  16. 340
  17. 78
  18. 220
  19. 80
  20. 148
  21. 300
  22. 100
  23. 35
  24. 332
  25. 308
  26. 60
  27. 45
  28. 114
  29. 20
  30. 225
  31. 160
  32. 206
  33. 368
  34. 40
  35. 10
  36. 200
  37. 124
  38. 360
  39. 392
  40. 314

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