Why did the Girl throw the butter out of the window?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

Find the missing number in the sequence below:

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

What Adam and Eve do not have but the rest of the people have?

What is the centre of gravity?

What is full of holes but still holds water?

What is the Surname of Barbie Doll?

How many times can you subtract the number 5 from 25?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?