11 out of 21 as a Percentage
11 out of 21 is 52.38%, which is a letter grade of F.
Percentage
52.38%
Letter Grade
F
Wrong Answers
10
Simplified
11/21
Understanding the Calculation
To convert 11 out of 21 into a percentage, divide the correct answers (11) by the total questions (21) and multiply by 100:
(11 ÷ 21) × 100 = 52.38%
With 11 correct answers out of 21, you got 10 wrong. The fraction 11/21 simplifies to 11/21. On the standard grading scale, 52.38% corresponds to a F.