What does this Rebus Picture mean?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

How could a baby fall out of a twenty-story building onto the ground and live?

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

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?

Which flower has two lips?

Women do it once a year after they turn 19 but men get to do it only once in a lifetime. What is it?

Consider this about a word: The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?