There are 8 pairs of socks and 2 socks are worn from that such that the pair of socks worn are not of the same pair. what is the number of pair that can be formed.	Options:	A) 53	B) 54	C) 55	D) 56	E) 57
First of all you should remember that there is a difference in left and right sock.   now no. of way to select any of the sock = 8   and for second = 7   so total methods = 8*7= 
<gadget id="calculator">8*7</gadget>
<output>56</output>
56   ANSWER:56
<result>D</result>
There are 8 pairs of socks and 2 socks are worn from that such that the pair of socks worn are not of the same pair. what is the number of pair that can be formed.