The Little ant seems to be always confused. Do you know why?

Buy me, smell me or deliver me, I do not change.

Who am I?

How many letters are in the alphabet?

John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?

I cannot talk, but I always reply when spoken to. What am I?

There’s a girl who has a large family. She has an equal amount of brothers and sisters, but each brother only has half as many brothers and sisters. What’s the correct amount of brothers and sisters?

Who has married many women but was never married?

That attorney is my brother, testified the accountant.

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

Who is lying?

Can you decipher the two rows to find the hidden word?

What's the only room from which no one can enter or leave