There 2 rabbits and 5 pigeons ie., 2 rabbits ==> 2 heads + 8 legs 5 pigeons => 5 heads + 10 legs
= 7 heads + 18 legs.
A household has some goldfish, some canaries and some rabbits. Altogether there are 15 heads and 26 legs. How many of each animal could there be?
In a stable there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable?
You are standing in a palace in which the king has 5 wives (Queens) To each Queen there are 5 rooms, In each room there are 5 big cats, and to each big cat there are 5 small cats.
Now question is how many legs are there in the palace?