In a group of ducks and cows, the total number of legs are 12 more than twice the no. of heads. Find the total no.of buffaloes.  Select
A) 6	B) 8	C) 10	D) 4	E) 12
Let the number of buffaloes be x and the number of ducks be y   =&gt; 4x + 2y = 2 (x + y) + 12   =&gt; 2x = 12=&gt; x = 6   6
<result>A</result>
In a group of ducks and cows, the total number of legs are 12 more than twice the no. of heads. Find the total no.of buffaloes.