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The number of ways of choosing four lett...

The number of ways of choosing four letters from the letters of the word MATHEMATICS containing exactly one pair of repeated letters is

A

`.^3c_2 xx.^7c_2`

B

`2^6-1`

C

` (.^3c_2(4!))/(2!2!)`

D

`(8!)/(4!)^2`

Text Solution

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The correct Answer is:
A, B
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