How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

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?

Five thieves looted a bank and they ran away in a car. The bank staff informed the police and they began the search of their car in their jeep. They found them on a road and chased them eventually catching them. The light that is used to fill the number plate was broken on the thieves' car. Also, the headlights of the jeep police were not working. How were the police able to catch the thieves then?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

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

Can you solve the below tricky visual equation?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

What time is it when an elephant sits on a fence?