In a class there are 8 boys and 5 girls . in how many ways they can sit in a row so that no girl sit together
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it may be solve in set operations,
13*13-5*5-8*8=169-25-64=80
there four 80 ways are there to arrange them that no girl sit together.
13*13-5*5-8*8=169-25-64=80
there four 80 ways are there to arrange them that no girl sit together.
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