Q. Study the following histogram of marks in mathematics (out of 50) of students in a class and answer the following questions.If the students have got the marks out of 50 and if A+ grade has been declared for above 90%, then the number of students who have got A+ grade is
A) 20
B) 10
C) 40
D) 30
✔ Correct Answer: 10
Exam Insight
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