why number 8549176320 is one of a kind?

You bought me for dinner but never eat me. What am I?

Can you name four days which start with the letter 'T'?

Why is the Hole below a Lock?

Can you place six X (crosses) in below board without making three in a row in any way ?

Different lights make me strange by changing me into different sizes. What am I?

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

What is more useful when it is broken?

On a magical land of Mexico , all the animal in the land are rational.

There are 10 tigers and one goat.
Tiger can eat goat but since it's a magical land , the tiger who eats the goat , turns into goat and then can be eaten by the remaining tiger(s).

If we leave them for some time then how many goat and tiger will be there , when we come back ?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?