How many triangles are there on the puzzle below?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.

Boxes are labeled but all labels are wrong!

You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.

How many such operations are necessary to correctly label the boxes?

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?

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

What's the best place to go shopping in the ocean?