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## Help Leonidas solve a riddle for a chance to win 1,000 Drachmas!

11 Replies
Character
14 October, 2016, 4:08 PM UTC

Help Leonidas solve a riddle and get a chance to win 1,000 Drachmas!

There were 90 apples on a birch tree. 20 apples were blown away by the wind. Persians ate 10 apples. Archons picked 50 apples, and then 5 new apples grew. How many apples are there on the tree now?

One of the Archons to give the correct answer will get 1,000 Drachmas and Leonidas’s eternal gratitude!

War doesn't determine who is right - only who is left.
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User
14 October, 2016, 4:52 PM UTC
Zero, a birch tree doesn't grow apples...silly Leonidas.
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User
14 October, 2016, 5:08 PM UTC
leonides eternal gratitude? would that be enough to rethink the new ilogical changes half sparta is asking not to aply?
Trust is like a mirror, you can fix it if it's broken, but you can still see the crack in that ********* reflection.'
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User
14 October, 2016, 5:18 PM UTC

joemama said:

Zero, a birch tree doesn't grow apples...silly Leonidas.

Leonidas said that there were 90 apples on a birch tree but he didn't said they grew from it.

But indeed, it's a complicated one.

Apples don't grow on birch tree so someone must put those 90 apples there. 20 apples were blown by the wind and Persians ate 10 but from where? Did they get those 10 from the birch tree we're talking about or picked 10 among the 20 blown by the wind or picked on a real apple tree or buy from a fruit store in Persia or what?

Archons picked 50 apples. From where? Apple tree? The birch tree? Among the 10 remaining blown by the wind (if it happened that Persians ate 10 among them or 20 if they picked apples they ate somewhere else)? Spartan fruit store?

5 new apples grew. This time for sure, it's from the apple tree. And your question is how many apples are there on the tree now. Which tree? The apple tree or the birch tree? Or maybe pineapple tree?

Since the question is too complicated, my answer would be very simple:

number of apples = Σ_in [ṁ_i,in*(h_i + V_i^2/2 + g*z_i)] - Σ_out [ṁ_j*(h_j + v_j^2/2 + g*z_j)] + Ǭ_in - Ẇ_net

"Those who seek to die will live, and those who seek to live will die."
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User
14 October, 2016, 5:28 PM UTC

To show logical skill it would be nice to have a logical puzzle....no?

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User
14 October, 2016, 6:23 PM UTC
Taking Leonidas at his word, we know that somehow 90 apples were on a birch tree.  How they got there we are not told. If 20 are blown away by the wind, Persians ate 10, and Archons picked 50, there would be 10 apples remaining. Curiously, we are told that 5 new apples grew. If they grew on the magical birch tree, there would be 15, but if we assume the tree is not magical, they grew somewhere other than the tree (presumably on a proper apple tree), so 10 of the original 90 would still remain. We still don't know how they got on the birch tree in the first place.
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User
15 October, 2016, 7:35 PM UTC
10 (on an birch tree apples can't grow)
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User
16 October, 2016, 10:32 AM UTC
10
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User
18 October, 2016, 5:39 PM UTC
10.
Now I am become Death, the destroyer of worlds.
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User
19 October, 2016, 12:11 AM UTC
zero as birch tree doesn't grow apples or is calculation is must there'll be 15 left.
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User
19 October, 2016, 3:39 PM UTC
0 since apples don't grow on a birch tree
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