1) Group of 4 members
case 1 = 0 women 4 men = (7c0)*(4c4) = 1
case 2 = 1 women 3 men = (7c1)*(4c3) = 7*4=28
case 3 = 2 women 2 men = (7c2)*(4c2) = 21 * 6 = 126
case 4 = 3 women 1 men = (7c3)*(4c1) = 35 * 4 = 140
case 5 = 4 women 0 men = (7c4)*(4c0) = 35 *1 = 35
total number of ways = 1+28+126+140+35 = 330
2)
group of 5 members
number of women =3 and number of men =2
= 7c3 + 4c2 = 35 * 6 = 210 ways
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