There are six leopards and one sheep.
Leopard can eat sheep but since as the land is magical, the leopards who eats the sheep , turns into sheep and then can be eaten by the remaining leopard(s).
If we leave them for some time then how many sheep and leopard will be there , when we come back ?  Choose the correct choice from the following.
A) 4 leopard and one sheep  B) 5 leopard and one sheep  C) 6 leopard and one sheep  D) 7 leopard and one sheep  E) None
Solution:   5 leopard and one sheep   since all animal are rational , once 1st leopard eats the sheep all the rest of leopard would know about this.   Answer 5 leopard and one sheep
<result>B</result>
There are six leopards and one sheep.
Leopard can eat sheep but since as the land is magical, the leopards who eats the sheep , turns into sheep and then can be eaten by the remaining leopard(s).
If we leave them for some time then how many sheep and leopard will be there , when we come back ?