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

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

What can go up a chimney down, but can't go down a chimney up?

Solve the riddle below:

If a Chicken says, 'All chickens are liars" is the chicken telling the truth?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

French Police inspects a room where there are no windows, no doors, no tables and is almost empty expect there is just a puddle of water. They found a dead man who obviously hung herself from the ceiling, but they are not able to figure out how this had happened.

John and Jacob entered the crime scene and easily able to solve the case.

How did the man die?

You are on a Boat in the mid of a river. You have two cigarettes with you. One of these two you have to light, how will you light the cigarette?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

Which is heavier: a ton of bricks or a ton of feathers?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?