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Fast & Easy Way to Make Your Brain Explode!


Joetheeskimo

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Posted

Now that I've got your attention (:D), here's a brain-twister for you guys to figure out. WARNING: Don't try it if you never took 7th grade math.

 

The following is based on a famous problem about Diophantus, a Greek mathematician from the third century.

 

Find how long he lived based on the following facts:

 

One sixth of his life was spent in boyhood.

One twelfth of his life was spend as a youth.

After 1/7 more of his life passed, he got married.

Five years after getting married, he had a son.

His son lived 1/2 as long as Diophantus lived. (Don't ask me why :eyeraise: )

The son died 4 years before Diophantus died.

Posted
84.

74.

 

:indif:

 

well then, really no need for anyone else to post.

 

Actually, I made the title vague on purpose so it could be a general post-your-brain-benders-thread. If any of you have got any...

Posted
Originally posted by InsaneSith

?

 

Anyway, when do I get my prize?

 

According to your answer...

One sixth of his life was spent in boyhood = 14 years of boyhood

One twelfth of his life was spend as a youth = 7 years of "youth"

After 1/7 more of his life passed, he got married = married at 39

Five years after getting married, he had a son = son at 44

His son lived 1/2 as long as Diophantus lived = son died at 42, which would be when his father was 86...so how could he have died at 84?

Posted
Originally posted by InsaneSith

I did this before in school a long time ago. He died at 84.

 

Are you sure? It did say the puzzle was based on that one...might be different from yours.

Posted

I checked it and as master in engineering I can honestly tell you his answer is absolutely correct.

 

 

x/7 + x/12 + x/7 + 5 + x/2 +4 = x

will be the equation (where x equals the total lifetime) and after some work you get

756 = 9x

or

84 = x

 

 

;)

Posted
Originally posted by Pad

I checked it and as master in engineering I can honestly tell you his answer is absolutely correct.

This is why we just need to make it a rule that's written. I'm always right. That way we don't have to prove it each time. :)
Posted

I come here to relax after a hard day of school and I find what? A thread about math quizes?!!

 

 

 

 

 

[influence lost: Herminator]

Posted
Fast & Easy Way to Make Your Brain Explode!

 

I thought this was a thread about crack. I am glad it is about maths :)

 

Originally posted by Pad

I checked it and as master in engineering I can honestly tell you his answer is absolutely correct.

 

;)

 

good to have another dude at LFN with a masters degree... :)

 

Let us form an axis of evil, I am sure with our combined genius we can overthrow LF and turn it into a pRon forum :p

 

* * *

 

Its way too early in the morning for me to attempt to figure out mathematical conundrums.... :(:p

 

mtfbwya

Posted
Originally posted by InsaneSith

Bah, silly aussies and your wrong time. :p

 

pfft.... GMT + 10 hours - we get to see ep3 almost a day before you do :p (GMT -7/8)

 

pwned by timeage :p

 

mtfbwya

Posted

*Bows to IS's great math powers* :eek:

 

 

I thought this was a thread about crack. I am glad it is about maths :)

 

:lol:

 

Originally posted by Boba Rhett

It took me too long to remember how to do this. Everyone form a line and we can commence hitting me with sticks. :(

 

Oh, GOODY! :) *Finds a nice, solid whopper*

Posted
Originally posted by Astrotoy7

good to have another dude at LFN with a masters degree... :)

What did you study?

 

Originally posted by Astrotoy7

Let us form an axis of evil, I am sure with our combined genius we can overthrow LF and turn it into a pRon forum :p

 

Excellent!

There will be no one to stop us. :dev11:

Posted
Originally posted by Pad

Excellent!

There will be no one to stop us. :dev11:

 

I think you guys also need someone who majored in Methodical Evilness, as you guys suck at hiding your secret plans.

 

:p

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