What is in seasons, seconds, centuries and minutes but not in decades, years or days?

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?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

Name a key which is hardest to turn.

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

You have two jars of chocolates labelled as P and Q. If you move one chocolate from P to Q, the number of chocolates on B will become twice the number of chocolates in A. If you move one chocolate from Q to P, the number of chocolates in both the jars will become equal.

Can you find out how many chocolates are there in P and Q respectively?