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Old 06-18-2012, 04:19 AM   #1
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Default Anybody up for a riddle?

If you have heard this before and know the answer

Please let others try before you reply.

You are given 9 golf balls.

One ball is lighter than the rest but they all look the same.

Their weight can't be determend by a human feel test.

There is only one way and one answer that is the best.

You are given a scale, a balancing type scale, not the kind we use making ale.

You may use the scale twice to find out which ball is the light one.

If this were easy you could use it thrice.

Proceed...

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Old 06-18-2012, 04:22 AM   #2
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dammit. I hate these when I haven't been drinking Scuplin IPA.

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Old 06-18-2012, 04:40 AM   #3
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Well, best get to drinking!

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Old 06-18-2012, 04:42 AM   #4
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Technically, it could be done in one weighing, with luck.

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Old 06-18-2012, 04:43 AM   #5
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No luck involved.

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Old 06-18-2012, 04:48 AM   #6
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Put 4 on each side. If they weigh the same, the odd ball is light. Of the lighter pile, weigh two each. One side will be lighter. Take a ball off of each side. If they balance the one that you took off of the light side is the one, if not it's the other. That's all I could do with it

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Old 06-18-2012, 04:53 AM   #7
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You're pretty close. But it takes two timea not three.

Also no guessing involved that would be cheesey.

My son and his wife trying to figure this out.

Except he outhought me

Because I gave him bad information

I said it could be either heavy or light in my expectation.

But he was right you have to know

Is the odd ball heavy as lead or light as snow?

Tis a factor that will turn on the light.

So the oddball is light and all is right

With this question

I'll give you only suggestions.

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Old 06-18-2012, 04:58 AM   #8
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divide the balls into groups of three. Measure 2 groups. This isolates which group of three it is in. Then measure two of the three balls in that group. That will give u the odd ball. I think thats right, but i've been sampling

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Old 06-18-2012, 04:59 AM   #9
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Quote:
Originally Posted by LabRatBrewer View Post
divide the balls into groups of three. Measure 2 groups. This isolates which group of three it is in. Then measure two of the three balls in that group. That will give u the odd ball. I think thats right, but i've been sampling
You win the interwebz!!!! I think.
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Old 06-18-2012, 05:05 AM   #10
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Quote:
Originally Posted by LabRatBrewer View Post
divide the balls into groups of three. Measure 2 groups. This isolates which group of three it is in. Then measure two of the three balls in that group. That will give u the odd ball. I think thats right, but i've been sampling
LabRatBrewer you got it!! Well done.

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You win the interwebz!!!! I think.
AZ_IPA I know you're ready for another

What do you say to that my brother?
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