How many triangles can you find in this given picture?

what does the below rebus mean?

A wealthy man lives alone in a small cottage. Being partially handicapped he had everything delivered to his cottage. The mailman was delivering a letter one Thursday when he noticed that the front door was ajar. Through the opening he could see the man's body lying in a pool of dried blood. When a police officer arrived he surveyed the scene. On the porch were two bottles of warm milk, Monday's newspaper, a catalog, flyers, and unopened mail. The police officer suspects it was foul play. Who does he suspect and why?

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?

A man is lying dead in a field where no one is around. His head is split open and his legs are disfigured. Near to him, there is an unopened package. No living organism can be found anywhere at the crime scene.

How did he die?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

John was piloting a plane behind a car but was never able to overtake it. Why?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

What two things can you never eat for breakfast?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?