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How To Generate Non-repeating Random Numbers

Is there a way to use the randbetween function (to generate numbers between 1 and 100)and generate a column that is 100 rows deep, but with numbers that are never the same?

Thank you.


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Is there a worksheet function that will generate all possible combinations of
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I'm sure this has been addressed before, and I'm sure one of you 50lb heads has the answer I'm looking for. I want to generate a bank of 200-300 questions in excel and be able to make a test of 50 questions that will be different every time. I want to be able to do this with multiple choice questions as well as just plain essay questions. Can I have some instruction or examples? Thanks guys!


Hello gurus!

Here's my question...I have a list of numbers and I want to know how many combinations (and what they are) of adding the numbers will equal an amount.
e.g.
List of Numbers
1
2
3
4
5
6
7
8
9
10

Amount to be reached = 12

These are some of the possible combinations to reach 12 :
2+10
3+9
4+8
5+7
3+4+5
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Is there a function in Excel that will do this for me? I want to know which numbers (i.e. cells) can be added to reach 12. AND, if possible, colorcode the cells added for each combination.

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Hi there, I have a string of numbers and I would like to add zeros to the end of it.

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dear supervirsor
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Hi folks,

Hoping someone can help me quickly as I'm pulling my hair out and have a deadline getting too close.

Been trailing the net and this board but can't work out how to do a simple variance.

How do I work out the difference between two numbers - including negatives.

If the numbers are all positive, it's fine as it's simply a case of A - B = C which is your difference. However, that doesn't work if B is negative.

I need a formula that would give the following:

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Hopefully there's a simple function I've been missing.

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First post on the forum, have only recently joined and im hoping that someone can help me before my head explodes!

I am trying to prepare a simple Material Quantity List for some Steel materials.
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HELP!!

I need to know the formula (if there is one) for Excel to figure all the possible combinations of a given set of numbers that will add up to a specified sum.

In other words, if I give the following numbers 1, 2, 2, 3, 3, 4, 5, 5, 6, 7, 7 - I want Excel to figure all the possible combinations that will add up to 23, and also SHOW ME those combinations, and not just HOW MANY combinations there are.

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Hi Forum,

Need help to generate Series of Items in different Permuation & Combinations..

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I need this to be shown as follows depending on the no of itmes and no of group no=2 in this case...

Permuations & Combinations are as follows:

AB
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BC
CA
CB
BA


i've been trying to figure this out on my own but seem to be hitting road blocks.

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would any one have a tip of how i can easily convert this? there are over 2000 entries in my excel spreadsheet so to do it manually would take a lot of time/effort.

thank you!


Dear All,
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Hello

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Hello,

I'm a bit of a newbie with Excel, but...

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If your answer involves using a macro or VB, please provide a link on how to use the formula. I've never used a macro or VB.

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James


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