An electric train is moving north at 100mph and a wind is blowing to the west at 10mph. Which way does the smoke blow?

Can you find THE HIDDEN TIGER?

Find the mistake in the picture.

I'm as big as an elephant but lighter than a feather. What am I?

There was an airplane crash, every single person on board died, but yet two people survived. How is this possible?

What belongs only to you, and yet is used more by others than by yourself?

A boy and an engineer were fishing. The boy is the son of the engineer but engineer is not the father of the boy. How is that possible?

The man who makes me doesn’t use me. The man who buys me doesn’t need me. The man who uses me doesn’t know that he is using me. What am I?

Fred’s parents have four sons. They are Spring, Summer, and Autumn. What is the fourth son’s name?

Tom and his younger sister were fighting. Their mother was tired of the fighting and decided to punish them by making them stand on the same piece of newspaper in such a way that they couldn't touch each other. How did she accomplish this?

It is always pronounced wrong, even by scholars and even by teachers. What is it?

How many circles are there in the picture?

I will always come but never arrive. What am I?