Can you replace the question mark with the correct number in the below table sequence?

What does a man do only once in his lifetime, but women do once a year after they are 29?

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

During which month do people sleep the least?

What is next number in the pattern below:

131 517 192 123 ?

You are driving down the road in your car on a wild, stormy night, when you pass by a bus stop and you see three people waiting for the bus

An old lady looks as if she is about to die.
An old friend who once saved your life.
The perfect partner you have been dreaming about.
Knowing that there can only be one passenger in your car, whom would you choose?

Can you find out who is the kidnapper in below Picture and why, Explain ?

Can it be possible to build a house that has all its four walls facing towards the South?

Can you find out the missing number in the grid?

I look flat, but I am deep. Hidden realms I shelter. Lives I take, but the food I offer. At times I am beautiful. I can be calm, angry, and turbulent. I have no heart but offer pleasure as well as death. No man can own me, yet I encompass what all men must have. What am I?