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     EduGorilla 
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    There are 4 women P, Q, R, S and 5 men V, W, X, Y, Z in a group. We are required to form pairs each consisting of one woman and one man. P is not to be paired with Z, and Y must necessarily be paired with someone. In how many ways can 4 such pairs be formed?

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Reply To: There are 4 women P, Q, R, S and 5 men V, W, X, Y, Z in a group. We are required to form pairs each ….
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