There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

You are in a land where thirty men and two women were dressed in classic black and white dresses.
They begin to fight as soon as any of them move.

Where are you?

A person was killed at a house party. When the police arrive, there are six people present in the house who are the friends of the victim. The name of the friends is Rohit, Aman, Nick, Gagan, and Randy.

Near the dead body, they find a few numbers written with blood by the victim on the floor. The numbers are 8, 5, 4, and 11.

The police arrests one of the friends for the murder. Whom did they arrest and why?

I have branches, but no fruit, trunk or leaves. What am I?

Can you tell a 3D object that has just two surfaces?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Can you count the number of blocks in the picture below?