Here is very interesting crack the code puzzle to test your logical reasoning. In this logical reasoning puzzle, your challenge is to decipher the 3-digit code which will help you to open the lock. Hints to find this 3-digit code are given in the puzzle image. Study these hints carefully to decode the hidden code. Can you crack the code with your logic and open the lock?

The answer can be viewed by clicking on the button. Please do give your best try before looking at the answer.

Can you crack the code and open the lock? |

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I almost got it, but why isn't the second number not ONE??? Also, could you please post an explanation to this, Thanks!!

ReplyDeleteIf second number is 1 then the fourth statement in the puzzle will not be correct.

DeleteBecause in the 4th statement it was told that one number is correct and is wrongly placed.

ReplyDelete042

ReplyDeletecan someone explain how you get the answer?

ReplyDelete1: 682 one digit is right and in the right place

ReplyDelete2: 738 all digits are wrong

3: 206 two digits are right but both are in the wrong place

4: 614 one digit is right but is in the wrong place

5: 780 one digit is right but in the wrong place

Start with statement 2, eliminate 7, 3 and 8 as correct digits.

This leaves statement 5 with only the 0 (but in the wrong place)

Statement 3 tells us that 206 has 2 digits, but they're both in the wrong place.

So now... we know that 0 is correct, but it can't be in the middle spot (since 206 is wrong)

nor can it be in the last spot (since 780 is wrong). The first number MUST be 0

Statement 1 now tells us that (682 has 1 digit right and in the right place.

It can't be the 6 (since the first number is 0), it can't be the 8 (since 738 are all wrong)

So the last number MUST be 2.

Statement 4 tells us that one digit is right but in the wrong place. We know 6 is wrong;

since statement 1 has only has 1 right number and it's the 2. So this leaves the 1 and the 4.

But it CAN'T be the 1 because then the 1 would be right AND in the right place. So we know

the only correct number is in the wrong spot. 4 is correct but belongs in the middle possition

042

noice

DeleteThanks Bill for the detailed explanation to this crack the code puzzle.

Delete052

ReplyDelete602

ReplyDelete042

ReplyDelete062

ReplyDelete062

ReplyDeletebefore getting on to the last row, it was 042

ReplyDeleteOops, I must correct it, I did use the last clue as well to find 042

ReplyDeleteI think it is 042

ReplyDeleteThe wording of each clue is actually wrong and can lead to an interpretation that leads to many possible answers. "One Number" does not imply exclusivity, and could therefore mean that there is another number as well that matches the same criteria. The only way for there to be only a single answer is that each clue gives an exact specificity such as "Exactly One Number" or "One and Only One Number"

ReplyDeleteThis is very correct observation. However limitation of space forced me to use less words. I have created so many Crack the Code Puzzles with similar wording. Till now most of the people could understand these puzzles. I will change the wordings in my future code cracking puzzles in case more people find it confusing.

DeleteThanks for pointing it out. Keep solving and keep writing. Comments helps me to improve my websites.