Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

Can you find out who is the kidnapper in below Picture and why, Explain ?

How many bananas can you eat if your stomach is empty?

On a charity event in Russia, Murray beat Djokovic by winning six games and losing three games.
Note: There is a total of 5 service breaks(one who serve lost the game).
Who served first, Djokovic or Murray?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

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

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?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?