Topic: 5 digit number list of topics
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7 items are filed under this topic.

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	A 5 digit number		2020-04-04
		From Rajesgy: Guess the 5 digit number Hint: Number is divisible by 2 Average of all numbers is 5 Last 2 digit is divisible by 7 and the number is less than 50000 Only one odd digit Answered by Penny Nom.
	Even 5 digit palindromes		2019-10-24
		From daniel: How many palindromes of 5 digits are even? Answered by Penny Nom.
	Some 5 number sets		2018-03-02
		From Sarah: Hello! My question is: If I have 5 columns of numbers, and I want to create all possible combinations (or is it permutations?) How can I do that? For example all numbers in each column may not appear in any other column. so: column 1: 1,2,3,4,5 column 2: 6,7,8,9,10 column 3: 11,12,13,14,15 column 4: 16,17,18,19,20 column 5: 21,22,23,24,25 how may I determine all the possible ways I can get sets of 5 out if this? Thanks! Answered by Penny Nom.
	A five digit number		2016-10-12
		From Massa: Explain why any four digit number is less than any five digit number? Answered by Penny Nom.
	5 digit numbers using the digits 5 and 2		2011-04-27
		From sissy: I need a list of all possible 5 digit combinations using 5 and 2 numbers can repeat Answered by Penny Nom.
	What is the original number?		2009-04-16
		From Yueh: A five digit number is written on a blackboard. Ron erases one of the digits and adds a newly constructed number to the original one. The result is 41751. What is the original number? Answered by Claude Tardif.
	The sum of some 5 digit numbers		2008-04-05
		From Tom: There are 120 five-digit numbers that use all the digits 1 through 5 exactly once. What is the sum of these 120 numbers? Answered by Penny Nom.

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