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Four letters, two 'a' and two 'b' are fi...

Four letters, two `'a'` and two `'b'` are filled into `16` cells of a matrix as given. It is required that each cell contains atmost one letter and each row or column cannot contain same letters. Then the number of ways the matrix can be filled is

A

3600

B

5200

C

3960

D

4120

Text Solution

Verified by Experts

The correct Answer is:
C
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