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?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

When we see 2 but call 10?

There is a place where if I stand up straight, I will still be considered sideways.

How many times do a clock's hands overlap in a day ?

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?

Can you divide the below-given shape into four equal and identical pieces?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?