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.

If an electric train is travelling south, then which way is the smoke going?

O_er_t_o_

Complete the missing letters of the given word.

He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

Do You See It?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

I look flat, but I am deep. Hidden realms I shelter. Lives I take, but the food I offer. At times I am beautiful. I can be calm, angry, and turbulent. I have no heart but offer pleasure as well as death. No man can own me, yet I encompass what all men must have. What am I?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?