Why is it against the law for a man living in Delhi to be buried in Mumbai?

A detective visits his friend John just to discover that John's neighbour Dr Jacob was murdered. Dr Jacob, who is a mathematician wrote the murderer's name in a code word "Hcqtfz". There were five suspects
1. Ajit
2. Pankaj
3. Ganpat
4. Deenu
5. Hariya

The Detective was instantly able to find the murderer.
Can you?

Three people enter a room and have a green or blue hat placed on their heads. They cannot see their own hat but can see the other hats.
The colour of each hat is purely random. They could all be green, blue, or any combination of green and blue.
They need to guess their own hat colour by writing it on a piece of paper, or they can write 'pass'.
They cannot communicate with each other in any way once the game starts. But they can have a strategy meeting before the game.
If at least one of them guesses correctly they win $10,000 each, but if anyone guesses incorrectly they all get nothing.
What is the best strategy?

Do you know who was buried in John's tomb?

Can you find the six hidden animals in the picture below?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

When does a USA Potato change its nationality?

A sundial has the fewest moving parts of any timepiece. Which has the most?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?