the number of ways in which 5 boys and 3 girls can be arranged in a row if 2 girls not came together
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Find the number of ways in which 5 boys and 3 girls can be arranged in a row so that no two girls are together. Here, B denotes the position of a boy and X that of a girl. =5P5=5! =(5×4×3×2×1)=120.
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