six friends go to pizza corner where there are different types of pizza available. six different flavours are there and they have to select 2 flavours from 6 flavours.In how many ways they can select?	Pick
A) 11
B) 12
C) 13
D) 14
E) 15
6c2 then ans is 6*5/1*2=15   ANSW15R:15
<result>E</result>
six friends go to pizza corner where there are different types of pizza available. six different flavours are there and they have to select 2 flavours from 6 flavours.In how many ways they can select?