← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 813 · 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. 1.30% of a number is 51. What is the number?
  2. 2.Diya spent ₹102, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  3. 3.60% of a number is 60. What is the number?
  4. 4.10% of a number is 36. What is the number?
  5. 5.Sara spent ₹24, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  6. 6.48 is 12% of ?
  7. 7.Ishaan spent ₹66, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  8. 8.Kabir spent ₹3, which is 30% of the pocket money. How much pocket money did Kabir have, in rupees?
  9. 9.18 is 12% of ?
  10. 10.2 is 20% of ?
  11. 11.25% of a number is 59. What is the number?
  12. 12.10% of a number is 12. What is the number?
  13. 13.60% of a number is 156. What is the number?
  14. 14.93 is 75% of ?
  15. 15.126 is 60% of ?
  16. 16.67 is 20% of ?
  17. 17.Diya spent ₹90, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  18. 18.Dev spent ₹276, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  19. 19.189 is 75% of ?
  20. 20.Isha spent ₹17, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  21. 21.Ishaan spent ₹3, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  22. 22.25 is 25% of ?
  23. 23.Ishaan spent ₹162, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  24. 24.39 is 30% of ?
  25. 25.Meera spent ₹144, which is 75% of the pocket money. How much pocket money did Meera have, in rupees?
  26. 26.27 is 15% of ?
  27. 27.80% of a number is 72. What is the number?
  28. 28.50% of a number is 162. What is the number?
  29. 29.12 is 30% of ?
  30. 30.Arjun spent ₹51, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?
  31. 31.40% of a number is 70. What is the number?
  32. 32.10% of a number is 15. What is the number?
  33. 33.Isha spent ₹61, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  34. 34.9 is 30% of ?
  35. 35.20 is 25% of ?
  36. 36.30% of a number is 63. What is the number?
  37. 37.Aarav spent ₹222, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  38. 38.174 is 50% of ?
  39. 39.30% of a number is 3. What is the number?
  40. 40.2 is 25% of ?

Answer key

  1. 170
  2. 255
  3. 100
  4. 360
  5. 30
  6. 400
  7. 165
  8. 10
  9. 150
  10. 10
  11. 236
  12. 120
  13. 260
  14. 124
  15. 210
  16. 335
  17. 300
  18. 345
  19. 252
  20. 170
  21. 20
  22. 100
  23. 216
  24. 130
  25. 192
  26. 180
  27. 90
  28. 324
  29. 40
  30. 170
  31. 175
  32. 150
  33. 122
  34. 30
  35. 80
  36. 210
  37. 296
  38. 348
  39. 10
  40. 8

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