8 hens weigh equal to as many duck as are equal to 7 cats. All of them weigh 264kg only. Hen's weighs are?	Choices:
A) 6
B) 5
C) 2
D) 7
E) 11
8h = xd = 7c   8h + xd + 7c ----- 264kg.   8h+8h+8h ----- 264kg.   24h ------ 264kgs. =&gt; 1h = 11kg   Answer: 11
<result>E</result>
8 hens weigh equal to as many duck as are equal to 7 cats. All of them weigh 264kg only. Hen's weighs are?