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The consists of 6 multiple choice questi...

The consists of 6 multiple choice questions, each having 4 alternative answers of wihc only one is correct. The number of ways, in which a canditate answers all six questions such that exactly four of the answers are correct, is _______.

A

`4^(6)-3^(2)`

B

135

C

55

D

120

Text Solution

Verified by Experts

The correct Answer is:
B
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