what's the probability of getting a king or a queen from a pack of 52 cards?

Rahul decided to meet Simran so he boards a local train from Bombay station. Just after the station, there is a 1km long tunnel. The train starts and is now accelerating. Rahul is a claustrophobic guy, so what is the best position for him to sit?

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

People put me on the table and cut me but do not eat me. What am I?

What Does this text mean:

important=important

Who always enjoys poor health?

A time long back, there lived a king who ruled the great kingdom of Trojan House. As a part of the renovation of the kingdom to meet future security needs, he asked his chief architect to lay down a new play in a manner that all of his 10 castles are connected through five straight walls and each wall must connect four castles together. He also asked the architect that at least one of his castles should be protected with walls. The architect could not come up with any solution that served all of King's choices, but he suggested the best plan that you can see in the picture below. Can you find a better solution to serve the king's demand?

Why did Buffon take the goal with him after every Juventus match?

What does this rebus riddle means ?