JEE Main 20207 Jan, Morning shiftMathematicsEasyPermutations and Combinations98× since 2002Total number of 6-digit numbers in which only and all the five digits 1, 3, 5, 7 and 9 appear, is :AOption A. 52(6!){5 \over 2}\left( {6!} \right)25(6!)BOption B. 6!{6!}6!COption C. 5⁶DOption D. 12(6!){1 \over 2}\left( {6!} \right)21(6!)CheckSkip · show solution
