\(A\) group of \(4\) persons is to be selected from \(5\) married couples, who are sitting in five different rows, \(A\)

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\(A\) group of \(4\) persons is to be selected from \(5\) married couples, who are sitting in five different rows, \(A, B, C, D,\) and \(E.\) Each row can accommodate exactly one couple. If a person is selected from a row, which is marked by a vowel, then we need to select another person of opposite gender, from another row, which is also a vowel. In how many ways can the group be formed?

A. 15
B. 16
C. 46
D. 75
E. 76

Answer: C

Source: e-GMAT
Source: — Problem Solving |