A) \[6\]
B) \[8\]
C) \[12\]
D) \[16\]
Correct Answer: B
Solution :
[b] Required number of ways \[=4!-\] (No. of ways in which a and b are together) - (No. of ways in which c and d are together) + (No. of ways in which a and b are together and c and d are together) \[=4!-3!2!-3!2!+2!2!2!=8\]You need to login to perform this action.
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