Question
Avinash is ranked 11th from the top in the class and Ira
is ranked 7th from the bottom. If their positions get interchanged, Avinash will rank 15th from the top and Ira is ranked 11th from the bottom. How many total students appeared for the exams?Solution
Ira’s rank from the bottom + after interchanged position avinash’s rank from the top (ira’s rank from the top) -1 = 7 + 15 -1 = 22 -1 = 21
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