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

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

John is pretty weird. He likes toffees but hates chocolates. He loves books but never reads. He likes to build his troops in an online game but does not proceed with the war. He likes to go swimming but is afraid of water.

Seeking this behaviour, can you tell whether he likes balloons and parties?

Can you spot the man between the coffee bean in the picture below ?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

What goes through cities and fields, but never moves?

Can you make a fire with just a single stick?

By adding four matchsticks, can you divide the square shown in the picture into two equal parts?

A person is found murdered in his Chamber. When the crime scene is investigated, the Investigator find out that there is a calendar on which the victim has written a few numbers with his blood. The numbers are 4, 11, 11 and 4.

There are four suspects in the murder, John, Jacob, Anna and Lee. Can you find out who is the murderer?