Count the number of triangles in the below picture?

Can you solve the below tricky visual equation?

A man is found dead with a knife in his back When the investigation is done. A chair lays beside him and the forensic team finds moisture around the body.

If he committed suicide, how did he do it?

In order to complete the racing competition, the Mexico racetrack has to submit its top and the most famous three horses to win the competition. Due to an electrical storm, all the records are cleared and no one knows which horse holds the record. They all look identical and it becomes even more difficult to differentiate the horses. There are 25 horses in the Mexico racetrack. But there can be only five horses at a time on the track. What will the least number of races that can be conducted to find out the three fastest horses?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

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