You are to arrange 36 identical chairs in rows such that there is same number of chairs in each row. Each row must contain at least 4 chairs and there must be at least 3 rows. How many different arrangements are possible?

4

2

6

5

None of these

Description (বিবরণ) :

প্রশ্ন: You are to arrange 36 identical chairs in rows such that there is same number of chairs in each row. Each row must contain at least 4 chairs and there must be at least 3 rows. How many different arrangements are possible?

ব্যাখ্যা:

4 chairs in 9 rows = 36 chairs

6 chairs in 6 rows = 36 chairs

9 chairs in 4 rows = 36 chairs

12 chairs in 3 rows = 36 chairs

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

So, total ways = 4

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