Question

Explain pigeon hole principle. Using this principle show that in any group of 36 people, we can always find 6 people who were born on the same day of week.

Answer 1

Theorem (Pigeonhole Principle)
If k + 1 or more objects are placed into k boxes, then there is
at least one box containing two or more objects.
This is a fundamental tool of elementary discrete mathematics.
It is also known as the Dirichlet Drawer Principle

Answer 2

thank you very much :)

Answer 3

two dice,one red and one white are rolled.what is the probability that the white die turns up a smaller number than the red die?