Can you make a six-letter word using the letters N, A and B ?

A person is found murdered in his Chamber. When the crime scene is investigated, the Investigator find out that there is a calendar on which the victim has written a few numbers with his blood. The numbers are 4, 11, 11 and 4.

There are four suspects in the murder, John, Jacob, Anna and Lee. Can you find out who is the murderer?

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 Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)

A man is surviving on an island along with his friend. They have been starving for four days for food. Suddenly, they find a fisherman. The friend goes with the fisherman in order to catch the fish (if they can find any).

The fisherman returns after some time but he is alone and has some salmon that he had prepared. When asked, the fisherman tells him that his best friend fell off the boat and drowned in the water. Starving for so long, he eats the meal while crying for his friend.

After being rescued, he goes to a diner and orders salmon. When he eats his meal, he jumps and commits suicide. Why did he do it?

It belongs to you, but other people use it more than you do. What is it?

By using 'because' continuously three times, can you make an English statement ?

Why did the Girl throw the butter out of the window?

If an electric train is travelling south, then which way is the smoke going?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?