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? Choose the correct choice from the following answers:  A) 11  B) 12  C) 13  D) 14  E) 15 ways
6c2 then ans is 6*5/1*2=15   ANSW15 waysR:15 ways
<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?