Question : Directions: Study the following histogram of marks in mathematics (out of 50) of students in a class and answer the following question.
If the passing marks in math are 31, the number of students who failed in math is:
Option 1: 10
Option 2: 15
Option 3: 20
Option 4: 25
Correct Answer: 15
Solution :
The passing marks are 31, and students who failed are those who scored less than 31.
The number of students who failed was 15 and they scored between 25 and 30.
Hence, the correct answer is 15.
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