Can you name some countries which do not have the alphabet 'A' in them?

An American nightclub called 'The Coconut Grove' had a terrible fire in which over 400 people died. A simple design flaw in the building led to a high death toll. Subsequently, regulations were changed to ensure that all public buildings throughout the country eliminated this one detail, which proved deadly. What was it?

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

When did John make this statement?

I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?

Count the number of squares in the picture below.

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

I look at you, you look at me I raise my right, you raise your left. What am I?

Where do fish keep their money?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?