JEE Math Practice Question
Total number of 6-digit numbers in which only and all the five digits 1, 3, 5, 7 and 9 appear, is :
- A.$${5 \over 2}\left( {6!} \right)$$
- B.$${6!}$$
- C.56
- D.$${1 \over 2}\left( {6!} \right)$$
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