Can it be possible to build a house that has all its four walls facing towards the South?

Can you find out what is missing?

1 3 5
2 4 ?

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

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

Which digit occurred maximum times between the number 1 and 1000?

You can hear me, but you can't touch or see me.

What am I?

A man is found dead with a knife in his back When the investigation is done. A chair lays beside him and the forensic team finds moisture around the body.

If he committed suicide, how did he do it?

In a mathematical quiz, you are asked the following question:

Use three 9s in a mathematical expression without dividing or multiplying to form the number one.

Can you answer the question?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

What goes through cities and fields, but never moves?

A crime was committed at baker street. Ibrahim Dakota who was shot in the stomach was the main suspect. Sherlock questioned the suspect. The conversation started as:
Sherlock: What's your story, Ibrahim?
Ibrahim: I was walking around baker street and suddenly a man from the back shot me. I ran as fast as I could to save my life".
Sherlock: That is enough (and ask the police to arrest him).

Why does Sherlock think he is the murderer?