You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

What goes through cities and fields, but never moves?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

What is the next number in this matchsticks series riddle?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

How many triangles are there on the puzzle below?

A beggar on the street can make one cigarette out of every 6 cigarette butts he finds. After one whole day of searching and checking public ashtrays the beggar finds a total of 72 cigarette butts. How many cigarettes can he make and smoke from the butts he found?

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?