The as whole logic is comparable to what you usage if you finish sudoku puzzles.

You are watching: Can you open this lock using these clues

This week, the mathematics riddle below has spread out on social media. Though us can"t trace it ago to an initial source, whoever released it right into the world knew exactly what they were doing, because the puzzle is delightfully devious and has stumped lots of world on Facebook and Twitter.

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What can the answer be ?Help me Twitter

— Marty the be afflicted with 🐻 (

But opened the lock isn’t impossible—it just takes some logic. Therefore let’s fix the trouble together.

The an initial clue reads, “682: One number is right and also in that is place.” we can’t perform anything through this proviso yet.

The 2nd clue reads, “614: One number is right yet in the dorn place.” This is already getting interesting, because now us can rule one number out.

The 6 is in the same location in both clues, and also it couldn’t it is in “in the place” in one clue and also “in the not correct place” in another.

The 3rd clue reads, “206: 2 digits room right, but both room in the dorn place.” We’ve already ruled the end 6, so our final number must have actually both a 2 and a 0, yet in different places!

The 4th clue reads, “738: every digits space wrong.” Oh. Well, that way we deserve to remove the 7, 3, and also 8 values throughout the board.

Finally, the critical clue reads, “380: One digit is right but in the not correct place.” Well, we’ve currently eliminated the 3 and also the 8. The 0 is right, but third place is the not correct place. In the third clue, we learned that 2nd place is also the wrong ar for 0. Our systems must start with 0!

Now we have every little thing we require to uncover the entirety answer. From the very first clue, we currently see the 2 is the correct digit that’s additionally in the appropriate place. Our answer begins with 0 and also ends with 2.


Our center digit can be 1 or 4, right? yet really, there’s just a solitary answer it can be. In our last answer, the just open spot is the center spot. In reservation 2, us learned the one digit to be correct however in the not correct place, so we can’t copy the 1 from the middle spot in clue 2 into the middle spot in our last answer. It has to be 4.

See more: Which Of The Following Should Be Accomplished First, Prior To Drafting Your Speech Outline?

That way the final lock combination is 042—that’s right, “the answer come the ultimate inquiry of life, the universe, and everything,” as Douglas Adams imagined it.



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