Answer :

Let there be x rows

Then the number of students in each row will also be x


Total number of students x2 + 24


According to the question,


(x + 1)2 – 25 = x2 + 24 using (a + b)2 = a2 + 2ab + b2


x2 + 2x + 1 – 25 – x2 – 24 = 0


2x – 48 = 0


x = 24


Total number of students = 242 + 24 = 576 + 24 = 600


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