What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

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?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

What can jump higher than a building?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

Which five letter word can be added at the end of below word to form a
valid word?

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What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

Here is a conversation between a couple who both are software professionals.

Husband: Hey! What is your date of birth?
Wife Replied Angrily: It is 591062400
Husband after doing some calculations replied, "Got It".

What is the DOB of the wife?