How many triangles are there on the puzzle below?

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?

What kind of tree can you carry in your hand?

Count the number of squares in the picture below.

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

Two friends were betting. One said to the other, "The coin will be flipped twenty times and each time the coin lands on the head, I will give you $2 and each time it lands on the tale, you will give me $3." After flipping the coin twenty times not a single penny was exchanged among them.

How many times did the coin land on heads?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

You need to move three matchsticks to form three squares. Can you do it?

Which of the below owl is odd one out?

Which country gets ill every time?