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 remove two matchsticks to make below equation correct?

Can you find THE HIDDEN TIGER?

What relation would your father's sister's sister-in-law be to you?

I am an odd number. If you take away one letter from me, I become even. Who am I?

If there are 12 fish and half of them drown, how many are there?

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

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

Connect all the dots with 6 (joint) line segments without lifting your pen off the paper.

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?

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?

How many circles are there in the picture?

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?