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The number of words of four letters cont...

The number of words of four letters containing equal number of vowels and consonants, where repetition is allowed, is a. `105^2` b. `210xx243` c. `105xx243` d. `150xx21^2`

A

`105^(@)`

B

`210xx243`

C

`105xx243`

D

`6xx105^(2)`

Text Solution

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The correct Answer is:
D
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