Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

What goes through cities and fields, but never moves?

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?”

If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

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

Can you find the 09 errors in the picture below?

Replace the question mark in the picture below.

You need to arrange three 7 and mathematical symbols to form number 1?

What is red and smells like blue paint?