Three couple sits randomly in a row. What is the probability that no husband sits beside his wife?
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Three couples mean 3 wife and 3 husband
Couples mean 1 wife and husband
(It was multiply by 3)
Probability =3/6=1/2
1/2
Couples mean 1 wife and husband
(It was multiply by 3)
Probability =3/6=1/2
1/2
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