The frequency distribution of marks obtained by students in an English examination is given below: Below 40 → 50, Below 50 → 125, Below 60 → 210, Below 70 → 315, Below 80 → 350. What is the number of students who scored more than 50 marks?
A.100
B.125
C.200
D.225✓ Correct
Explanation
Total students = 350. Number scoring 50 or below = 125. Therefore, number scoring more than 50 marks = 350 − 125 = 225.
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