If number of elements is 20 then how many different types of matrices can be formed if number of rows is always even?

If number of elements is 20 then how many different types of matrices

1.	If number of elements is 20 then how many different types of matrices can be formed if number of rows is always even?
A.	3
B.	4
C.	5
D.	6
Answer» C. 5

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If number of elements is 20 then how many different types of matrices can be formed if number of rows is always even?

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