← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 825 · 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 42. What is the number?
  2. 2.1 is 5% of ?
  3. 3.30% of a number is 102. What is the number?
  4. 4.25% of a number is 25. What is the number?
  5. 5.Ishaan spent ₹15, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  6. 6.15% of a number is 12. What is the number?
  7. 7.Kabir spent ₹16, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  8. 8.12% of a number is 6. What is the number?
  9. 9.Dev spent ₹18, which is 15% of the pocket money. How much pocket money did Dev have, in rupees?
  10. 10.252 is 80% of ?
  11. 11.30% of a number is 36. What is the number?
  12. 12.50% of a number is 44. What is the number?
  13. 13.75% of a number is 12. What is the number?
  14. 14.75% of a number is 270. What is the number?
  15. 15.50% of a number is 147. What is the number?
  16. 16.Riya spent ₹24, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  17. 17.10% of a number is 39. What is the number?
  18. 18.123 is 75% of ?
  19. 19.12% of a number is 18. What is the number?
  20. 20.Arjun spent ₹45, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  21. 21.40% of a number is 60. What is the number?
  22. 22.Sara spent ₹20, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  23. 23.7 is 25% of ?
  24. 24.Arjun spent ₹88, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  25. 25.20% of a number is 19. What is the number?
  26. 26.75% of a number is 18. What is the number?
  27. 27.Meera spent ₹12, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  28. 28.Aarav spent ₹14, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  29. 29.30% of a number is 75. What is the number?
  30. 30.23 is 20% of ?
  31. 31.25 is 20% of ?
  32. 32.141 is 75% of ?
  33. 33.Rohan spent ₹24, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  34. 34.18 is 25% of ?
  35. 35.Aarav spent ₹11, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  36. 36.60% of a number is 27. What is the number?
  37. 37.75% of a number is 30. What is the number?
  38. 38.50% of a number is 200. What is the number?
  39. 39.Ishaan spent ₹201, which is 60% of the pocket money. How much pocket money did Ishaan have, in rupees?
  40. 40.Sara spent ₹30, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?

Answer key

  1. 168
  2. 20
  3. 340
  4. 100
  5. 50
  6. 80
  7. 320
  8. 50
  9. 120
  10. 315
  11. 120
  12. 88
  13. 16
  14. 360
  15. 294
  16. 160
  17. 390
  18. 164
  19. 150
  20. 60
  21. 150
  22. 80
  23. 28
  24. 220
  25. 95
  26. 24
  27. 20
  28. 70
  29. 250
  30. 115
  31. 125
  32. 188
  33. 48
  34. 72
  35. 110
  36. 45
  37. 40
  38. 400
  39. 335
  40. 200

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