5 Logical Puzzles to Kick-Start Your Brain

These puzzles are simple enough to be solved over your coffee break. And tricky enough to stump you for hours, sending your mind on a wild goose chase!

So, are you up to the challenge?! The Gain Tip team offers you a chance to stretch your brains a little by cracking a few of these mind-bending little beauties!

1. The prisoner hat riddle

5 Logical Puzzles to Kick-Start Your Brain

The 4 criminals are lined up on some steps. They are all facing in the same direction. A wall separates the fourth man from the other three. So to summarize:

  • Man 1 can see men 2 and 3.
  • Man 2 can see man 3.
  • Man 3 can see none of the others.
  • Man 4 can see none of the others.

The criminals are wearing hats. They are told that there are two white hats and two black hats. The men initially don’t know what color hat they are wearing. They are told to shout out the color of the hat that they are wearing as soon as they know for certain what color it is.

  • They are not allowed to turn round or move.
  • They are not allowed to talk to each other.
  • They are not allowed to take their hats off.

Who is the first person to shout out and why?

2. Roadside difficulties

While changing a tyre, a motorist accidentally dropped all four wheel nuts into the sewer grate. He tried everything to retrieve them, but – to no avail. The man was beginning to suspect that he would have to spend many hours by the roadside, when a passing kid suddenly helped him solve the problem. Acting on the kid’s advice, he successfully fitted a new tyre and drove to the nearest service station without accidents.

What was the advice that the child had given the motorist?

3. A witch’s present

Once upon a time, Prince Charming was searching far and wide for his betrothed. Summer had already ended, when he came upon a shack, inhabited by an old witch. The weary traveler asked if she could grant him refuge for the night. The witch obliged and showed her guest a warm welcome, offering him food, drink and a place to sleep. The next morning, as Prince Charming was preparing to continue on his journey, she gave him a present, saying: ‘A time will come, when you’ll find your way barred by a wide river with no bridge. The only way to cross it is to swim to the other bank. This enchanted tunic will help you – it won’t let you drown!’.

Our hero continued on his journey. A hundred days and nights had passed before he came across the river the witch had warned him about. But, in the end – he didn’t need to put on the tunic to cross it! Can you guess why?!

4. The rabbit hutch mystery

A farmer keeps rabbits in three large hutches that stand in a row in his back yard. Each of the hutches is painted a different color – red, yellow and green. Until recently, the number of rabbits in the green hutch was twice as large as the number of rabbits in the yellow hutch. Then, one day, the farmer took five rabbits out of the left-side hutch and gave them away to the local school’s pet corner. He also took half of the rabbits that remained in the left-side hutch and moved them to the red colored hutch.

Now, can you guess what color the left-side hutch is?!

5. Identify the culprit

Late one evening, a car ran over a pedestrian in a narrow bystreet and drove away without stopping. A policeman who saw the vehicle leave the scene of the accident reported it moving at very high speed. The accident itself was witnessed by six bystanders. They provided the following conflicting accounts of what had happened:

  • It was a blue car, driven by a man;
  • The car was moving at high speed, its headlights were turned off;
  • The car did have license plates, it wasn’t going very fast;
  • It was a Toyota, it’s headlights were turned off;
  • The car didn’t have license plates, the driver was a woman;
  • It was a gray Ford.

When the the car and its driver were finally apprehended, it turned out that only one of the six eyewitnesses gave a fully correct description. Each of the other five provided one true and one false piece of information.

Keeping that in mind, can you determine the following:

– What was the car’s brand?

– What color was the car?

– Was the car going fast or slow?

– Did it have license plates?

– Were its headlights turned on?

– Was the driver a man or a woman?

6. Bonus

Can you name one thing that all the people on Earth do simultaneously?

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