What English word has three consecutive double letters?

A wealthy man lives alone in a small cottage. Being partially handicapped he had everything delivered to his cottage. The mailman was delivering a letter one Thursday when he noticed that the front door was ajar. Through the opening he could see the man's body lying in a pool of dried blood. When a police officer arrived he surveyed the scene. On the porch were two bottles of warm milk, Monday's newspaper, a catalog, flyers, and unopened mail. The police officer suspects it was foul play. Who does he suspect and why?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

Find the next number in the following series:
6, 14, 26, 98, __?

I am written with two letters.
I said with the one.
I usually am seen with the two.

Who am I?

I don't get anymore wetter, no matter how much rain falls on me.

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

Prove that the below maths equation is true.

8 + 8 = 91

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.