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) 10 B) 20 C) 30 D) 40
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Step-by-step explanation:
The answer is option c.
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