Practical Assignment – Riddles

We were handed 4 different riddles which I decided to discuss with a friend over the phone.

“A man is replacing a wheel on his car, when he accidentally drops the four nuts used to hold the wheel on the car. They fall into a deep drain, irretrievably lost. A passing girl offers him a solution that enables him to drive home. What is it?”

This one was tricky because of my lack of knowledge when it comes to cars. After discussing it back and forth (one of the solutions being him driving the girl’s car home or her giving him some nuts from her car) we ended up with him taking 1 nut of each wheel, driving home with 3 on each.

Two Russians walk down a street in Moscow. One Russian is the father of the other Russian’s son. How are they related?

This riddle reminded me of one that was very popular when I was growing up about a doctor. I don’t remember what it was I just remember that “mother” was the answer. My answer to this question is that the two Russians are partners, both parents to the child.

What occurs once in June, once in July and twice in August?

At first I started thinking about moons and cycles and whatnot, but as I read it to my friend it became apparent that the answer is the letter U.

The final riddle I struggled with. It’s something with the phrasing that just makes my brain shut-down. I read it to my friend and after making a very simple drawing in paint he came with the answer to this riddle.

Six drinking glasses stand in a row, with the first three full of water and the next three empty. By handling and moving only one glass at a time, how can you arrange the six glasses so that no full glass stands next to another full glass, and no empty glass stands next to another empty glass? What is the minimum number of moves to solve this puzzle?

I’ll add his image and see if it makes it as clear to you as it made it for me.


Minimal number of moves: 2.

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