A) \[\frac{20!}{8!+7!+6!}\]
B) \[\frac{21!}{8!7!}\]
C) \[\frac{21!}{8!7!6!}\]
D) \[\frac{21!}{8!+7!+6!}\]
E) none of these
Correct Answer: C
Solution :
Required number of ways \[=\frac{21!}{8!7!6!}\]You need to login to perform this action.
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