Topic: combination lock list of topics
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18 items are filed under this topic.

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	A combination lock		2020-09-29
		From Rourke: how many possible combinations are there in a 4 digit lock with 6 numbers which can repeat themselves. Answered by Penny Nom.
	A combination lock		2019-08-01
		From markbo: A combination lock has 0-9 plus Y on its keypad. A code is generated by selecting 4 digits from those keys (0-9 and Y) with no repeated choices, but sequence does not matter (i.e. 1-2-3-4 is the same as 4-3-2-1, and the same as 3-4-1-2 and counts as one combination) How many different 4-digit codes are possible in this scenario? Answered by Penny Nom.
	Combination lock		2019-07-31
		From Antony: Hello. So my 3yr old daughter has had a bit of a play with the 3 dial combination lock on my backpack and locked it closed. I am looking for all the possible combinations to go through a process of elimination to find the combination she has set. To be clear. There are three dials, each with the numbers 0-9. I have read 10x10x10=1000 options but not sure if that is correct .. feels too small? Many thanks in advance. Answered by Penny Nom.
	A 4 digit combination lock		2019-02-02
		From Brijanshu: I have a lock that contain only four no. 6,7,8 & 9 . How many possible password of four digit containing these Number. Answered by Penny Nom.
	The combination to a locker		2015-11-11
		From Jason: Hi, I can't seem to open my locker cause I forgot the combination, the numbers are 1-8 Without repeat for 4 number for example 1234 or 2345 for numbers 1-8 without any repeat. Answered by Harley Weston.
	A lost combination		2012-03-06
		From pam: I lost the combination for my luggage that I haven't used for many years. It is a 3 digit combination. I'm pretty sure only these numbers could have been used: 0,1,2,3,7,8,9. Can you give me a calculated list of all these combinations? Answered by Penny Nom.
	A 5 digit push combination lock		2009-04-04
		From Andrew: I have a 5 digit push combo lock that i forgot the combo for. it has numbers 1-4 and each number can be pressed more then once ie. 11111, 36356 is there an algorithm out there that will list out the possible combinations for me? or maybe a way i could write them out myself. Answered by Penny Nom.
	I lost the combo to my lock box		2009-01-10
		From Rob: I lost the combo to my lock box, I remember 2 of the #'s in the combo are 6, but dont remember which ones. What are the possible scenarios knowing the above? Thanks! Answered by Stephen La Rocque.
	A three 0-9 tumbler lock		2008-09-22
		From Louis: I recently gave my daughter an old briefcase which uses a three 0-9 tumbler lock. She set the lock and now she can’t open one side. Q. Is there a 3 digit combination number generator available to give me the 1000 possibilities? Thanks, Lou PS In this type of lock you can repeat the same digit three times. Answered by Penny Nom.
	An old bike lock		2007-08-08
		From Jeremy: I have an old bike lock i found in the garage of the house i just moved in to. It has four columns and the nubers are 1 through 6. I understand that there are 1236 (6x6x6x6) possibilities. Is there a graph of all the possible combinations cuz i looked all over the web and couldn't find one. Answered by Penny Nom.
	Bike combination lock		2006-07-16
		From Alejandra: I have a bike lock. It has three columns of the digets 1-9 and zero. I have forgotten the combination. Three numbers need to be imputed. What are the possible lock cominations, so that i can try to break the lock? Answered by Stephen La Rocque.
	A 4-digit Combination Lock		2006-03-09
		From Adam: I have a 4-digit Combination Lock but i have forgotten the code. i do know that it is an even number, all the digits are different, the second digit is zero and the largest digit is 6. what are all the possibilities. Answered by Stephen La Rocque.
	A combination lock		2005-10-03
		From A bicycle owner: What are the number of permutations (Combinations?) of a combination lock of a cylinder with four separate movable rings. Each ring has the numbers from one to six (six "permutations" per ring). This is a bicycle lock. I was told that it is 62 (6x6x6x6) = 1296. Is this correct?. Answered by Penny Nom.
	A combination lock has 60 positions...		2005-02-07
		From Kathy: A combination lock has 60 positions arranged in a circle to which a pointer may be set. Three settings are required to open it and no one setting may be closer than 5 positions from the immediately preceding setting. How many different locks may be manufactured? Answered by Penny Nom.
	A 4-digit access code		2005-01-02
		From Missi: I need to find the 4 digit number to access my voice mail. These numbers will be 0-9 & numbers can be repeated. Could you provide me with a list of possibly combinations? If not, do you know anywhere that I could get a list of combinations so I don't have to write it all down? Answered by Harley Weston.
	The combinatiion for a keybox		2004-05-17
		From Darrin: I have a puzzle question based on reality. I have a real-estate type keybox (Supra) that has 10 digits, 0-9. I am trying to figure out a methodical way to test all number combinations to it to open it. (totally legal- it was taken from the trash at a jobsite since they couldn't open it!) The combination could be any or all of the digits, but any digit is only used once. This is not like a simplex lock problem where a combination of keypresses would be different- i.e. 1,2,3 is the same as 1+2,3. Any ideas? Answered by Penny Nom.
	Why the word combinations?		2004-05-05
		From Megan: Why are locker combinations called locker combinations not locker permutations. The order of the numbers matter so why aren't they called locker permutations. Answered by Claude Tardif and Penny Nom.
	Combination locks		2002-08-17
		From John: How many combinations of three number codes can occur with a standard combination lock? The range of possible numbers is 0-39 which allows 40 different possible choices each turn of the dial. Each combination requires exactly three numbers (i.e. three turns of the dial). E.g. 35-40-5. Allow for reuse of the same number three times e.g.10-10-10. I don't think there is any preference shown for certain number combinations. Can you explain how the total is derived? Someone at the YMCA this week put this question to me and I gave an answer but I am not sure I am right--so I have come to you. Answered by Penny Nom.

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