I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Can you count the number of triangles inside a triangle?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

A guard is positioned at the one side of the bridge saying ‘A’. His task is to shoot all those who try to leave from ‘A’ to the other side and say ‘B’. He also need to welcome the person who comes from another side ‘B’ to his side ‘A’. The guard comes out of his post every 1 hour and looks down the bridge for any people trying to leave. You are at side ‘A’ and wish to go to another side ‘B’. you also know that it would take 1:45 hr to cross the bridge. How will you cross the bridge?

Can you find out the missing number in the grid?

What does the below rebus riddle means?

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?