← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 164 · 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. 1.75% of a number is 297. What is the number?
  2. 2.50% of a number is 83. What is the number?
  3. 3.Dev spent ₹27, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  4. 4.15% of a number is 12. What is the number?
  5. 5.Dev spent ₹28, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  6. 6.53 is 20% of ?
  7. 7.80% of a number is 48. What is the number?
  8. 8.50% of a number is 44. What is the number?
  9. 9.15% of a number is 27. What is the number?
  10. 10.26 is 10% of ?
  11. 11.5% of a number is 20. What is the number?
  12. 12.10% of a number is 31. What is the number?
  13. 13.10 is 10% of ?
  14. 14.Riya spent ₹51, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  15. 15.27 is 12% of ?
  16. 16.Riya spent ₹33, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  17. 17.60% of a number is 171. What is the number?
  18. 18.Arjun spent ₹76, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  19. 19.117 is 50% of ?
  20. 20.Isha spent ₹6, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  21. 21.20% of a number is 61. What is the number?
  22. 22.Riya spent ₹28, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  23. 23.18 is 12% of ?
  24. 24.Ishaan spent ₹12, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  25. 25.18 is 15% of ?
  26. 26.39 is 10% of ?
  27. 27.40% of a number is 56. What is the number?
  28. 28.Aarav spent ₹55, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  29. 29.20% of a number is 4. What is the number?
  30. 30.30% of a number is 3. What is the number?
  31. 31.193 is 50% of ?
  32. 32.38 is 25% of ?
  33. 33.66 is 50% of ?
  34. 34.Dev spent ₹11, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  35. 35.Rohan spent ₹34, which is 40% of the pocket money. How much pocket money did Rohan have, in rupees?
  36. 36.7 is 5% of ?
  37. 37.60% of a number is 165. What is the number?
  38. 38.20% of a number is 47. What is the number?
  39. 39.75 is 60% of ?
  40. 40.16 is 50% of ?

Answer key

  1. 396
  2. 166
  3. 108
  4. 80
  5. 140
  6. 265
  7. 60
  8. 88
  9. 180
  10. 260
  11. 400
  12. 310
  13. 100
  14. 170
  15. 225
  16. 220
  17. 285
  18. 152
  19. 234
  20. 30
  21. 305
  22. 280
  23. 150
  24. 80
  25. 120
  26. 390
  27. 140
  28. 220
  29. 20
  30. 10
  31. 386
  32. 152
  33. 132
  34. 110
  35. 85
  36. 140
  37. 275
  38. 235
  39. 125
  40. 32

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