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Question
8649 students were sitting in a lecture room in such a manner that there were as many students in the row as there were rows in the lecture room. How many students were there in each row of the lecture room?
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Solution
Given: Total number of students were sitting in a lecture room = 8649
Suppose number of students in each row be ‘x’
According to the question,
Total number of students = x × x
8649 = x2
By taking square root on both side,
x = `sqrt(8649)`
x = `sqrt(93 xx 93)`
x = `sqrt(93^2)`
x = 93
Hence, the number of students in each row is 93.
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