← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 571 · 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.Diya spent ₹12, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  3. 3.10% of a number is 3. What is the number?
  4. 4.5% of a number is 10. What is the number?
  5. 5.22 is 10% of ?
  6. 6.20% of a number is 21. What is the number?
  7. 7.Dev spent ₹70, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  8. 8.Riya spent ₹48, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  9. 9.21 is 10% of ?
  10. 10.30% of a number is 57. What is the number?
  11. 11.25 is 25% of ?
  12. 12.75% of a number is 87. What is the number?
  13. 13.29 is 10% of ?
  14. 14.Ishaan spent ₹16, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?
  15. 15.57 is 15% of ?
  16. 16.Sara spent ₹216, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  17. 17.Isha spent ₹48, which is 75% of the pocket money. How much pocket money did Isha have, in rupees?
  18. 18.154 is 40% of ?
  19. 19.12% of a number is 36. What is the number?
  20. 20.Meera spent ₹100, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  21. 21.Kabir spent ₹32, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  22. 22.Diya spent ₹50, which is 50% of the pocket money. How much pocket money did Diya have, in rupees?
  23. 23.Meera spent ₹86, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  24. 24.Aarav spent ₹7, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  25. 25.40% of a number is 44. What is the number?
  26. 26.120 is 50% of ?
  27. 27.20% of a number is 77. What is the number?
  28. 28.Isha spent ₹120, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  29. 29.Rohan spent ₹7, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  30. 30.42 is 12% of ?
  31. 31.60% of a number is 240. What is the number?
  32. 32.25% of a number is 66. What is the number?
  33. 33.159 is 60% of ?
  34. 34.Aarav spent ₹54, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  35. 35.39 is 30% of ?
  36. 36.Arjun spent ₹148, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  37. 37.66 is 40% of ?
  38. 38.Ishaan spent ₹87, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  39. 39.Dev spent ₹13, which is 5% of the pocket money. How much pocket money did Dev have, in rupees?
  40. 40.Aarav spent ₹22, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?

Answer key

  1. 168
  2. 120
  3. 30
  4. 200
  5. 220
  6. 105
  7. 280
  8. 320
  9. 210
  10. 190
  11. 100
  12. 116
  13. 290
  14. 160
  15. 380
  16. 270
  17. 64
  18. 385
  19. 300
  20. 125
  21. 320
  22. 100
  23. 215
  24. 70
  25. 110
  26. 240
  27. 385
  28. 300
  29. 70
  30. 350
  31. 400
  32. 264
  33. 265
  34. 180
  35. 130
  36. 370
  37. 165
  38. 348
  39. 260
  40. 55

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