The number of ways in which 7 boys and 8 girls can be seated in a row so that they are alternate
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7 boys can be arranged in 7! Ways
In between, beginning and ending there are 8 places. 8 girls can be arranged in 8 places in 8!ways.
By fundamental principle the number of possible arrangements =7!*8!
In between, beginning and ending there are 8 places. 8 girls can be arranged in 8 places in 8!ways.
By fundamental principle the number of possible arrangements =7!*8!
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