In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

John is selling fruits.
He sells grapes at $30, Dates $25, and a Wolfberry $45.
At what price does he sell fig?

PS: Logical Thinking

What jumps when it walks and sits when it stands?

Which alphabet letter is a question?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?