# Can You Solve Question 4?

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• 27th February 2013, 12:22 PM
localzuk
Lol, that's a head scratcher. Is this a philosophy paper? :p
• 27th February 2013, 12:25 PM
HarryMonkey
Is it answer (c) Cliff Richard?
• 27th February 2013, 12:26 PM
fiza
No matter how tall the tree is, its leaves will always fall to the ground. Chinese Proverb
• 27th February 2013, 12:26 PM
Garacesh
Quote:

Originally Posted by CESIL
At the time the measurement was done the man's shadow was 2/3 of his height...or put another way his height is 3/2 times his shadow length...

therefore the building height is 3/2 times it's shadow length...

We'd need to know the angle of the Sun to figure out the ratio of height-to-shadow

Attachment 17357
:D

edit: I suppose if we get really pedantic.. Nobody said they were the same light source, either ;D
Attachment 17358
• 27th February 2013, 12:29 PM
Domino
No one knows, you distorted the outcome by measuring it...
• 27th February 2013, 12:44 PM
CESIL
Quote:

Originally Posted by Garacesh
We'd need to know the angle of the Sun to figure out the ratio of height-to-shadow

Attachment 17357
:D

edit: I suppose if we get really pedantic.. Nobody said they were the same light source, either ;D
Attachment 17358

No, we can calculate the ratio from the height of the man and his shadow length...

Given how far away the sun is I don't think the angle of the sun would be appreciably different for man or building...

...but I still can find a tree :)
• 27th February 2013, 12:46 PM
X-13
Quote:

Originally Posted by fiza
No matter how tall the tree is, its leaves will always fall to the ground. Chinese Proverb

^ I think we have a winner.
• 27th February 2013, 12:48 PM
Garacesh
If the sun is 'low' in the sky but still 'high' enough to be 'above' the person (since there are all relative terms in the sun doesn't move), then the man's shadow would be shorter, but the height of a building would be longer (as the sun would be 'lower' than the top of the building

I think. I'm not putting too much thought into it :D

The tree is obviously inside the atrium of the building.
• 27th February 2013, 12:51 PM
JJonas
Quote:

Originally Posted by Garacesh

The tree is obviously inside the atrium of the building.

No, the tree has been chopped down and is being used to reprint the paper.
• 27th February 2013, 12:52 PM
VeryPC_Tom_M
I know! the answer is... 42! :P
• 27th February 2013, 01:49 PM
laserblazer
What they also didn't tell you is that the building is in Alaska and the man in Ecuador :)
• 27th February 2013, 01:59 PM
nephilim
Quote:

Originally Posted by fiza
No matter how tall the tree is, its leaves will always fall to the ground. Chinese Proverb

What about the evergreen trees that do not drop needles or leaves all year round?
• 27th February 2013, 02:01 PM
Garacesh
Quote:

Originally Posted by nephilim
What about the evergreen trees that do not drop needles or leaves all year round?

Chainsaw.
• 27th February 2013, 02:03 PM
SimpleSi