What is the next number in this series?

4,12,84,3612....

What is so fragile that saying its name breaks it?

Why is 6 afraid of 7?

Solve the counting riddle by identifying the number of triangles in the given picture.

Solve the alphametic puzzle by replacing the alphabet with the number.

S T O R M +
S O L E S
=========
T O W E L
=========

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

John was gifted a new Hayabusa. He drove x miles at 55mph. Then he drove x+20 miles at 40mps. He drove his bike for 100 minutes. How much distance did he travel?

What word does this rebus represent?

meta meta
meta meta

I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?