JEE Main 202621 Jan, Morning shiftMathematicsEasyPermutations and Combinations98× since 2002The number of strictly increasing functions fff from the set {1,2,3,4,5,6}\{1,2,3,4,5,6\}{1,2,3,4,5,6} to the set {1,2,3,…,9}\{1,2,3,\ldots,9\}{1,2,3,…,9} such that f(i)≠if(i)\ne if(i)=i for 1≤i≤61\le i\le61≤i≤6, is equal to :AOption A. 21BOption B. 27COption C. 28DOption D. 22CheckSkip · show solution
