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Problem Solving (PS) | Re: Thirty-six identical chairs must be arranged in rows with the same num

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Bunuel wrote:

Thirty-six identical chairs must be arranged in rows with the same number of chairs in each row. Each row must contain at least 3 chairs, and there must be at least 3 rows. A row is parallel to the front of the room. How many different arrangements are possible?

(A) 2
(B) 4
(C) 5
(D) 6
(E) 10


hi..
Shubhashri10 you are looking for a shortcut, then here is a method if you analyze what the Q is all about..

the rows and columns are nothing but factors of 36.
\(36=2^2*3^2\) .. so number of factors are
...

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