Using eight eights and addition only, can you make 1000?

In the image below, can you find the value of an angle(y)

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)

Why is the Hole below a Lock?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

Solve the following series:
AZ, GT, MN, __, YB

What is the probability of choosing the correct answer at random from the options below?

a) 1/4
b) 1/2
c) 1
d) 1/4