Number of ways in which 9 different toys be distributed among 4 children belonging to different age group in such a way that distribution among the 3 elder children is even and the youngest one is to receive one toy more is:

Number of ways in which 9 different toys be distributed among 4 childr

1.	Number of ways in which 9 different toys be distributed among 4 children belonging to different age group in such a way that distribution among the 3 elder children is even and the youngest one is to receive one toy more is:
Answer» Number of ways=` 2C_2(4C_2)(6C_2)(9C_2)`=`1((4!)/(2!2!))((6!)/(4!4!))((9!)/(7!2!))`=` ((9!)/((2!)^3(3!)))`

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Number of ways in which 9 different toys be distributed among 4 children belonging to different age group in such a way that distribution among the 3 elder children is even and the youngest one is to receive one toy more is:

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