The tire track cannot be from a bike. The tracks were left by one thief pushing a wheelbarrow, full of stolen tools.

This is because when people leave the train, they pack into groups, whereas when they go to catch the train, their flow is evener.

Touch the middle of the first rod with the end of the second rod. If the two rods get attracted to each other, then the second one is the magnet. If not, then the first one is the magnet.

The first player has a winning strategy. He just has to place the first coin in the center of the table and then each consecutive one symmetrically opposite to the last coin of his opponent.

If you get shrunk 100 times, but your density remains the same, your muscles will become so strong relative to your size, that you will be able to jump out of the blender. The reason is that your weight will decrease 1000000 times, but your muscle cross-section just 10000 times.

Pull the handle in the paper through the holes, attach the cherries, then pull it back up.

The solution is shown below.

When you point at somebody, you say “cross-cross”, if yours and the other person’s legs are crossed, “cross-parallel”, if yours are crossed and the other person’s are parallel, etc.

This was a murder, which was supposed to look like a suicide. These are some of the reasons:
1. The dead person has not finished their cigarette yet, which is a normal thing to do when someone commits a suicide.
2. The person is left-handed, judging by the position of the pen and the lamp, but is holding the gun in their right hand.
3. It was supposed to look like the person was writing a death note before killing themselves, but it is night and the lamp is not plugged in.

The recluse was living in a lighthouse. When he turned off the lights, he caused several ships to get wrecked in the cliffs and many people die.