In the four images below, can you find the odd one out?

If I put in one bird per cage, I have one bird too many. If I put in two bird per cage, I have one cage too many. How many cages and birds do I have?

Mr Red Lives in the red house.
Mr Green Lives in the greenhouse.
Mr Yellow Lives in the yellow house.

Who lives in the Whitehouse?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different. How do you measure 45 minutes?

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

How can you tell a raw egg from a hard-boiled egg?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

What is the word or phrase below?
R | E | A | D

What can you catch but never throw?

What came first, the chicken or the egg?