Question
Mahesh ranked 17th from the top and 31th from the bottom
among those who passed an examination. 5 boys did not participate in the competition and 4 failed in the examination. How many boys were there in the class?Solution
Number of students passed = Mahima rank from top + Mahima rank from bottom – 1 = 17 + 31 – 1 = 47 Total students = passed students+ failed students+ students who didn’t appear = 47 + 5 + 4 = 56
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