Let 2 men be M1,M2 & 3 women be W1,W2,W3. Let s be sample
space for selecting 2 persons
S={(M1,M2),(M1,W1)(M1,W2)(M1,W3),(M2,W1)(M2,W2)(M2,W3),(W1,W2)(W1,W3),(W2,W3)}
cases favourable to event in which 1 man & 1 woman are selected
=(M1,W1),(M1,W2),(M1,W3),(M2,W1),(M2,W2),(M3,W3)