Can you find the dog hidden in a group of pandas?

What goes up but never comes down?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

I have teeth but i don't bite. Who Am I ?

Why do you find that most of the buildings are deprived of the 13th floor?

The captain of a ship is telling you an interesting story and then poses a question. He says, “I have travelled the oceans far and wide. One time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. Can you tell me how that was possible?”

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

Four cars come to a four-way stop, each coming from a different direction. They can’t decide who got there first, so they all go forward at the same time. All 4 cars go, but none crash into each other. How is this possible?

When is the top of a mountain similar to a savings account?

Name a key which is hardest to turn.