Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

A man always keeps a spare tyre in his car. To make full use of all the five tyres, he changes the tyres in a manner that for a distance of 1, 00,000 km, each of them runs the same distance.

Can you calculate the distance travelled by each tyre on that journey?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

You are a thief and you are being punished for your crime. People have tied your head down on a tree with a rope that has been anchored in the ground. A candle is burning below the rope which is slowly burning it away. Just below your head, a Lion has been left loose and is waiting for you to drop down on the ground so he can have you as his lunch.

You have to survive the scenario. How will you do it?

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Look at me. I can bring a smile to your face, A tear to your eye, Or even a thought to your mind. But, I can't be seen. What am I?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?