Count the number of lines in the image below ?

How many times can you subtract the number two from the number fifty?

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

What type of tree can I carry in my hand?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

A dead body is found outside a multi-story multinational company. The case is reported and a homicide detective is called on the crime scene.

He looks at the body and then towards the building. From the position of the body, it is evident that the victim committed suicide. He goes to the first floor of the building and then walks in the direction of the dead body, opens the window and toss a coin in the air.

He goes to second floor and again repeats the process. He keeps doing this till he is done on all the floors. Then he returns back to the floor and tells his team that it is a murder.

How in heaven did he deduce that?

Why did Navjot Singh Sidhu put the new January calendar in the freezer

How can you drop a raw egg from a height onto a concrete floor without cracking it?

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?