white and black Birds r sitting in a telephone wire.At least one from white and one from black.Color must repeat after every 4 and 7 birds. What is the max no of arrangement.
Six is a number perfect in itself, and not because God created the world in six days; rather the contrary is true. God created the world in six days because this number is perfect, and it would remain perfect, even if the work of the six days did not exis
Saint Augustine of Hippo
Thought Science we developed, but Mathematics is the mother of all Sciences