Question 73(ii) The bar graph given below shows the marks of students of a class in a particular subject:
Study the bar graph and answer the following question : How many students got marks from 50 to 69?
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Solution
Number of students who got marks from 50 to 69 = Number of students who got marks from 50 to 59 + Number of students who got marks from 60 to 69 = 7 + 11 = 18