I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

Which is faster, Heat or Cold ? Explain.

Who is that with a neck and no head, two arms and no hands? What is it?

A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

When can we add 2 to 11 and get 1 as the correct answer?

What has many teeth, but cannot bite?

Can you solve below mathematical equation?

2^1234 - 2^1233

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?