In a group of ducks and cows, the total number of legs are 8 more than twice the no. of heads. Find the total no.of buffaloes.  Choose the correct option.
A) 5  B) 4  C) 6  D) 3  E) 2
Let the number of buffaloes be x and the number of ducks be y   =&gt; 4x + 2y = 2 (x + y) + 8   =&gt; 2x = 8 =&gt; x = 4   4
<result>B</result>
In a group of ducks and cows, the total number of legs are 8 more than twice the no. of heads. Find the total no.of buffaloes.