Two men play a dice game involving roll of two standard dice. Man X says that a 12 will be rolled first. Man Y says that two consecutive 7s will be rolled first. The men keep rolling until one of them wins.

What is the probability that X will win ?

A girl was sitting in her hotel room when she heard a knock on the door. She opened the door and found that a man was standing outside.
The man said, "Oh! I am really sorry, I thought this was my room."
He then walked through the corridor to the elevator. The girl did not know the man. She closed her door and called security asking them to apprehend the man.
What made her suspicious of that man? He might have been genuinely mistaken.

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

Can you find out the total number of triangles in the given figure?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

Rectify the following equality 101 - 102 = 1 by moving just one digit.

You need to move three matchsticks to form three squares. Can you do it?