JEE Main 202225 Jul, Evening shiftMathematicsEasySets, Relations and Functions168× since 2002The number of bijective functions f:{1,3,5,7,…,99}→{2,4,6,8,….100}f:\{1,3,5,7, \ldots, 99\} \rightarrow\{2,4,6,8, \ldots .100\}f:{1,3,5,7,…,99}→{2,4,6,8,….100}, such that f(3)≥f(9)≥f(15)≥f(21)≥…..f(99)f(3) \geq f(9) \geq f(15) \geq f(21) \geq \ldots . . f(99)f(3)≥f(9)≥f(15)≥f(21)≥…..f(99), is ____________.AOption A. 50P17{ }^{50} P_{17}50P17BOption B. 50P33{ }^{50} P_{33}50P33COption C. 33!×1733 ! \times 1733!×17!DOption D. 50!2\frac{50!}{2}250!CheckSkip · show solution
