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boys and girls are to be seated in a row such that there are atleast boys between the girls. The number of ways this can be done is , then the value of , is
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arrangement in two girls are together = 2 x 13 = 26
=> one boy sit between two girls = 2 x 12 = 24
=> two boys sit between two girls = 2 x 11 = 22
=> Total arrangements = 14!
Required arrangement
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Question Text | boys and girls are to be seated in a row such that there are atleast boys between the girls. The number of ways this can be done is , then the value of , is |
Answer Type | Text solution:1 |
Upvotes | 150 |