← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 830 · 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. 1.100 is 80% of ?
  2. 2.20% of a number is 16. What is the number?
  3. 3.25% of a number is 50. What is the number?
  4. 4.50% of a number is 42. What is the number?
  5. 5.12% of a number is 21. What is the number?
  6. 6.Meera spent ₹3, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  7. 7.126 is 75% of ?
  8. 8.109 is 50% of ?
  9. 9.50% of a number is 126. What is the number?
  10. 10.15% of a number is 57. What is the number?
  11. 11.40% of a number is 48. What is the number?
  12. 12.Rohan spent ₹246, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  13. 13.30% of a number is 21. What is the number?
  14. 14.80% of a number is 240. What is the number?
  15. 15.75% of a number is 3. What is the number?
  16. 16.40% of a number is 34. What is the number?
  17. 17.60% of a number is 84. What is the number?
  18. 18.Riya spent ₹18, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  19. 19.Rohan spent ₹79, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  20. 20.75% of a number is 24. What is the number?
  21. 21.Riya spent ₹105, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  22. 22.Dev spent ₹196, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  23. 23.25% of a number is 74. What is the number?
  24. 24.Ishaan spent ₹12, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  25. 25.21 is 15% of ?
  26. 26.80% of a number is 96. What is the number?
  27. 27.12% of a number is 9. What is the number?
  28. 28.12% of a number is 15. What is the number?
  29. 29.20% of a number is 30. What is the number?
  30. 30.77 is 25% of ?
  31. 31.80% of a number is 40. What is the number?
  32. 32.Diya spent ₹21, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  33. 33.Sara spent ₹11, which is 5% of the pocket money. How much pocket money did Sara have, in rupees?
  34. 34.26 is 20% of ?
  35. 35.40 is 80% of ?
  36. 36.60% of a number is 159. What is the number?
  37. 37.5% of a number is 6. What is the number?
  38. 38.Ishaan spent ₹153, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  39. 39.15% of a number is 33. What is the number?
  40. 40.Aarav spent ₹19, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?

Answer key

  1. 125
  2. 80
  3. 200
  4. 84
  5. 175
  6. 20
  7. 168
  8. 218
  9. 252
  10. 380
  11. 120
  12. 328
  13. 70
  14. 300
  15. 4
  16. 85
  17. 140
  18. 120
  19. 158
  20. 32
  21. 175
  22. 245
  23. 296
  24. 40
  25. 140
  26. 120
  27. 75
  28. 125
  29. 150
  30. 308
  31. 50
  32. 175
  33. 220
  34. 130
  35. 50
  36. 265
  37. 120
  38. 204
  39. 220
  40. 380

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