RRB Group D 23-Oct-2018 Shift 3 Solved Paper

Question : 18 of 100

Marks: +1, -0

In an auditorium, the number of rows is equal to the number of chairs in each row. If there are 5184 chairs in total, how many rows are there?

Solution:

No. of rows

={x}

No. of chairs

=x

{x}^{2}=5184 ⇒{x}=72

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