What has no start, end, or centre?

You stand in front of two doors. A guard stands next to each door. You know the following things: one path leads to paradise, the other leads to death. You cannot distinguish between the two doors. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which door leads to paradise. What one question would you ask to guarantee you enter the door to paradise?

Identify Me

Hint1: I am a god
Hint 2: I am a planet
Hint 3: measurer of heat

Find the hidden panda in the image below.

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

Which tank will fill first?

Can you count the number of lines in the below picture?

Two friends were stuck in a cottage. They had nothing to do and thus they started playing cards. Suddenly the power went off and Friend 1 inverted the position of 15 cards in the normal deck of 52 cards and shuffled it. Now he asked Friend 2 to divide the cards into two piles (need not be equal) with equal number of cards facing up. The room was quite dark and Friend 2 could not see the cards. He thinks for a while and then divides the cards in two piles.

On checking, the count of cards facing up is same in both the piles. How could Friend 2 have done it ?

Move three sticks of the spiral below to form a square.

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.