What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

You stand in front of two doors. A guard stands next to each door. You know the following things: one path leads to paradise, the other leads to death. You cannot distinguish between the two doors. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which door leads to paradise. What one question would you ask to guarantee you enter the door to paradise?

A chicken farmer has figured out that a hen and a half can lay an egg and a half in a day and a half. How many hens does the farmer need to produce one dozen eggs in six days?

Solve the equation in the image by looking at the pattern closely.

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

Three ants are going up a hill, one behind the other. The last ant then says to the other ants, 'There is an ant behind me!'' How come?

A pet show was happening in my locality. I went down along with my kids. In that show, I noticed that all except two of the entries were cats. All except two were dogs and all except two were Monkeys.

Can you find out how many of each animals were present in that pet show?

Through your logical capabilities, can you make 7 an even?

I look at you, you look at me I raise my right, you raise your left. What am I?