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

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

Solve the puzzle by telling what does below picture means.

A gardener planted the Lemon trees in a mathematical ordered way (i.e. he planted a tree in rows).
He created a total of 19 rows of trees.

Note: There should be more than 2 trees to count as a row.

What is the minimum number of trees required by the gardener to have 19 rows of trees?

A thief is convicted in Mexico. He gets the death penalty. The judge allows him to say the last sentence to determine how the penalty will be carried out. If the thief lies, he will be hanged, if he speaks the truth he will be beheaded. The thief tells the last sentence and to everybody's surprise some minutes later he is set free because the judge cannot determine his penalty. What did the thief say?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

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

I always drive my customer away.

Who am I?

There is a place where if I stand up straight, I will still be considered sideways.

Solve the mathematical equation in the picture below.

Distances from you to certain cities are written below.

BERLIN 200 miles

PARIS 300 miles

ROME 400 milesAMSTERDAM 300 miles

CARDIFF ??? miles

How far should it be to Cardiff ?