Here we have to choose any 12 out of 50
here order of choosing jury does not matter it is only a group of 12 people we have to make
We know when we have to choose any r articles out of total n articles we can choose it in total ncr ways where c is a combination formula
ncr= n! / ( r! * ( n-r)!) (" ! " is factorial operation )
we have to find out 50 C12 = 50 ! /( 12 ! * ( 50-12)!) = 121399651100
