8 couples attend a dance show in a TV channel. A lucky draw in which 4 persons picked up for a prize is held, then the probability that there is at least 1 couple will be selected is :
Choose the correct option.
A) 11/13
B) 12/17
C) 15/39
D) 19/31
E) 21/35
P( selecting atleast one couple) = 1 - P(selecting none of the couples for the prize)   = 15/39   15/39
<result>C</result>
8 couples attend a dance show in a TV channel. A lucky draw in which 4 persons picked up for a prize is held, then the probability that there is at least 1 couple will be selected is :