[" Number of ways in which "9" different toys be "],[" distributed among "4" children belonging to different,"],[" age groups in such a way that distribution among "],[" the "3" elder children is even and the youn,gest one is "],[" the "3" elder children is even and the youn.gest one is "],[" to receive one toy more,is "],[[" (A) "((51)^(2))/(8)," (B) "(9!)/(2)],[" (C) "(9!)/(3!(2!)^(3))," (D) none "]]