A team consists of 4 boys and 3 girls. If you pick two persons at the same time, what's the probability that one person is boy and other one is girl ?	Options.
A) 2/7
B) 5/7
C) 4/7
D) 3/7
E) 1/2
P(1st b, 2nd g) = 4/7*3/6 = 4/14;   P(1st g, 2nd b) = 3/7*4/6 = 4/14.   P = 4/14 + 4/14 = 4/7.   Answer: 4/7.
<result>C</result>
A team consists of 4 boys and 3 girls. If you pick two persons at the same time, what's the probability that one person is boy and other one is girl ?