How many circles do you see in this old wooden door?

Can you move (not remove) 1 matchstick to make this equation correct?

A is the sister of B. B is the brother of C. C is the father of D. How is A related to D?

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 connect all the dots using only straight lines, without the pen leaving 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?

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

Can you find the mistake?

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

What belongs to you but is used more by others than you?

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?

Can you find THE HIDDEN TIGER?