Class 11MathematicsPermutation and CombinationDefinition of permutation, Number of permutations with or without repetition, Conditional permutations
MediumHow many $6$-digit numbers can be formed using only odd digits,such that all odd digits appear at least once?
- A$5 \times \frac{6!}{2!}$
- B$6!$
- C$\frac{1}{2} \times 6!$
- DNone of these
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