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

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

Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Spot 5 differences in two Christmas tree below:

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.

Can you divide the below-given shape into four equal and identical pieces?

Edward James went for tiger hunting.

It was not his lucky day.



He got six tigers without heads, nine tigers without the tail and eight cut in two halves.

How many tiger did he hunted ?

There is something which you can be arrested for attempting but not for successfully completing.

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

The horse jumps over the king.
Strangely there is absolutely no scratch on him.

Can anyone explain, how is this possible?