If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

I can write cow in 13 letters.

Can You?

A lion and its tamer are standing inside a cage that measures 1 unit in radius. Both of them can effortlessly run at the speed of 1 unit maximum.

1) Suppose the lion is hungry, will he be able to eat up the tamer?
2) If yes, how long can the tamer survive?

Can you make a six-letter word using the letters N, A and B ?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

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?

In the image given, you can find several triangles. Can you count them all?

A man looks at a painting in a museum and says, “Brothers and sisters I have none, but that man’s father is my father’s son.” Who is in the painting?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

Move three sticks of the spiral below to form a square.