Logic Challenge: Solve these surprising puzzles and sharpen your mind

Eggs galore or a morning riddle

Imagine you have six eggs. You crack two, fry two, and then eat two.
How many do you have left in the end?

Answer: 4. Indeed, the broken, fried and eaten eggs are the same, which means that you only used two eggs, leaving four intact.

The train and the tunnel: visible or hidden?

A 200-meter-long train enters a tunnel that is also 200 meters long.
When the train is perfectly in the middle of the tunnel, can it still be seen from the outside?

Answer: No. It is completely inside the tunnel and therefore invisible from the outside.

Three light bulbs, three switches, and only one chance to get in.
You are standing outside a room with three light switches, each connected to a different switch. How can you identify which switch controls which light by entering the room only once?
Solution: Turn on the first switch and leave it on for five minutes. Then turn it off and turn on the second switch. Enter the room. The warm but unlit light corresponds to the first switch, the lit light to the one that was left on, and the cold light to the third switch.

What is the name of the third child?
A father has three sons: Peter, Paul… and?

Answer: The answer is hidden in the question: it’s « and? ».

Unusual footprints in the forest
You find a boot print on the ground and right next to it a bare foot print.
How can this be explained?

Answer: It can only be one person: she walked with one foot shod and the other barefoot.

What time does the clock show?
You wake up and observe a stopped clock. Five minutes earlier, it read midnight, and five minutes later, it will still read midnight.
What is the nature of this « object »?