If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

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?

People make me, save me, change me, raise me. What am I?

How many runs at maximum can a batsman score in a normal one-day match? Consider the fact that the conditions are ideal and there are no No Balls, no Wide Balls and no Extras in that match.

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

Buy me, smell me or deliver me, I do not change.

Who am I?

Alex is stranded on an island covered in forest.
One day, when the wind is blowing from the west, lightning strikes the west end of the island and sets fire to the forest. The fire is very violent, burning everything in its path, and without intervention the fire will burn the whole island, killing the man in the process.

There are cliffs around the island, so he cannot jump off.

How can the Alex survive the fire? (There are no buckets or any other means to put out the fire)

What does below Rebus mean ?

esgg sgeg gegs gsge

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

Which alphabet is a part of our body?