← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 886 · 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. 1.80% of a number is 308. What is the number?
  2. 2.18 is 25% of ?
  3. 3.Riya spent ₹180, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  4. 4.25% of a number is 1. What is the number?
  5. 5.Sara spent ₹20, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  6. 6.Sara spent ₹18, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?
  7. 7.75% of a number is 165. What is the number?
  8. 8.40% of a number is 42. What is the number?
  9. 9.60 is 80% of ?
  10. 10.50% of a number is 4. What is the number?
  11. 11.Dev spent ₹15, which is 5% of the pocket money. How much pocket money did Dev have, in rupees?
  12. 12.10% of a number is 31. What is the number?
  13. 13.8 is 5% of ?
  14. 14.25% of a number is 61. What is the number?
  15. 15.Meera spent ₹4, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  16. 16.25% of a number is 13. What is the number?
  17. 17.105 is 30% of ?
  18. 18.30% of a number is 60. What is the number?
  19. 19.Sara spent ₹15, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  20. 20.60% of a number is 90. What is the number?
  21. 21.12 is 50% of ?
  22. 22.40% of a number is 4. What is the number?
  23. 23.40% of a number is 136. What is the number?
  24. 24.3 is 30% of ?
  25. 25.Aarav spent ₹38, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  26. 26.12% of a number is 18. What is the number?
  27. 27.Anaya spent ₹13, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  28. 28.Isha spent ₹22, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  29. 29.17 is 5% of ?
  30. 30.15% of a number is 36. What is the number?
  31. 31.Anaya spent ₹91, which is 25% of the pocket money. How much pocket money did Anaya have, in rupees?
  32. 32.40% of a number is 142. What is the number?
  33. 33.50% of a number is 65. What is the number?
  34. 34.50% of a number is 11. What is the number?
  35. 35.Riya spent ₹18, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  36. 36.Ishaan spent ₹60, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  37. 37.11 is 5% of ?
  38. 38.1 is 20% of ?
  39. 39.80% of a number is 16. What is the number?
  40. 40.12% of a number is 27. What is the number?

Answer key

  1. 385
  2. 72
  3. 240
  4. 4
  5. 80
  6. 120
  7. 220
  8. 105
  9. 75
  10. 8
  11. 300
  12. 310
  13. 160
  14. 244
  15. 80
  16. 52
  17. 350
  18. 200
  19. 150
  20. 150
  21. 24
  22. 10
  23. 340
  24. 10
  25. 95
  26. 150
  27. 130
  28. 110
  29. 340
  30. 240
  31. 364
  32. 355
  33. 130
  34. 22
  35. 120
  36. 400
  37. 220
  38. 5
  39. 20
  40. 225

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