Which number should replace the question mark?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

What part of Turkey has the most feathers?

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

Find out which of the given views in the picture is accurately the top view of the given pyramid.

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Here is what you have to do. You have to throw a ball as hard as you can but it must return back to you even if it does not bounce at anything. Also, you have nothing attached to the ball. There is no one on the other end to catch that ball and throw it back at you.

How will you do it?

What's the next in the series?

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

Why Wine Glass Stem is so long?