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?

Three playing cards in a row. Can you name them with these clues? There is a two to the right of a king. A diamond will be found to the left of a spade. An ace is to the left of a heart. A heart is to the left of a spade. Now, identify all three cards.

What word is represented by this rebus?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

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

What month of the year has 28 days?

Three fair coins are tossed in the air and they land with heads up. Can you calculate the chances that when they are tossed again, two coins will again land with heads up?

What number divided by 4 is the same as that number minus 4?

Why are all black people so quick ?