34
   

The worlds first riddle!

 
 
raprap
 
  1  
Reply Tue 14 Feb, 2006 02:42 pm
Why that Ship would be the USS Constitution--Old Ironsides to those familiar with her. She's not a ship of the line like the Victory--just a frigate, but a big frigate that saw action against the Barbary pirates and engaged and whalloped the HMS Guerriere and Java during the unpleasantness of 1812-1815.

Cow eating constest.

[size=7]Let x be the amount of grass in an acre & y be the amount of grass an acre can grow in 10 days. so 5 cows eating 2 acres of grass in 10 days becomes
1*5=2x+1*2y
& 7 cows eating 3 acres of grass in 3 10 day periods is
3*7=3x+3*3y
solving for x and y becomes
x=1/4 & y=9/4
Let z be the number of 10 day periods
then 16 cows eating 7 acres of grass becomes
16z=7x+7zy
or
16z=7(1/4)+7(9/4)z
64z=7+63z
and z=7
so 16 cows can eat 7 acres of grass in 7- 10 day periods & 7-10 day periods is 70 days.[/size]


Rap
0 Replies
 
Tryagain
 
  1  
Reply Tue 14 Feb, 2006 04:22 pm
Rap, thank you for the name, I took the tour and they have done a fantastic job with the refit. Amazing history, enough to keep me occupied for days.

Shari, veterinarians the word over will look in wonder at your succinct answer.


1,000,000 air



123456789
US



<STRAWBERRY>
>cake<
0 Replies
 
shari6905
 
  1  
Reply Tue 14 Feb, 2006 04:25 pm
Numerous
strawberry shortcake
millionaire

So my answer was that bad huh?
0 Replies
 
Tryagain
 
  1  
Reply Tue 14 Feb, 2006 05:14 pm
Look on the bright side, until Rap came along, yours was the closest answer. Laughing
However, you sure are hot with the other questions. Cool

<T…I…M…E>
ab defg…


Quack quack quack
Cluck cluck cluck


Book going
0 Replies
 
shari6905
 
  1  
Reply Tue 14 Feb, 2006 06:15 pm
Gees I need to be tutored. I had my boss help me w/ that one and he was a math major back in college. The thing that threw him off was that you said everything was constant so if that was the case then why did you have to give 2 examples each with different rates of consumption?
0 Replies
 
raprap
 
  1  
Reply Tue 14 Feb, 2006 08:00 pm
<T…I…M…E>
ab defg… Long ttime no see


Quack quack quack
Cluck cluck cluck----Foul Play


Book going---Tickets please (alt No Tickee, No Laundree)

Rap
0 Replies
 
raprap
 
  1  
Reply Tue 14 Feb, 2006 09:30 pm
shari6905 wrote:
Gees I need to be tutored. I had my boss help me w/ that one and he was a math major back in college. The thing that threw him off was that you said everything was constant so if that was the case then why did you have to give 2 examples each with different rates of consumption?


The areas (numbers of acres) were different--the grass regrowth rate per acre was the same. The constants were the grass consumption per cow and the grass growth rate per acre.

Rap
0 Replies
 
markr
 
  1  
Reply Tue 14 Feb, 2006 11:59 pm
[size=8]going by the book
foul language
[/size]
0 Replies
 
Tryagain
 
  1  
Reply Wed 15 Feb, 2006 07:00 am
0 Replies
 
raprap
 
  1  
Reply Wed 15 Feb, 2006 08:09 am
You put your pants on one leg at a time
Win or lose-but Ulose+ could be close but no cigar
Grabs (Feels) up

Wagon
[size=7]D=n0*π*d0 D=n1*π*d1
n0*π*d0==n1*π*d1
n0/n1=d1/d0=4.25/3.5=17/14
since 17 and 14 are relatively prime
17 revolutions of the smaller wheel is the same as 14 revolutions of the larger wheel
and
D=n0*π*d0=17*π*3.5=186.324 ft[/size]


Rap
0 Replies
 
markr
 
  1  
Reply Wed 15 Feb, 2006 10:11 am
[size=8]pair of pants
up for grabs
you win some, you lose some

WAGON
The number of revolutions will be 17 and 14 respectively; so the wagon travels 59.5*pi feet.
[/size]
0 Replies
 
Tryagain
 
  1  
Reply Wed 15 Feb, 2006 01:50 pm
Four mathematicians have the following conversation:

Dadpad: I am insane.
Mark: I am pure.
Rap: I am applied.
Shari: I am sane.

Dadpad: Rap is pure.
Mark: Shari is insane.
Rap: Mark is applied.
Shari: Rap is sane.

You are also given that:


Pure mathematicians tell the truth about their beliefs.
Applied mathematicians lie about their beliefs.
Sane mathematicians beliefs are correct.
Insane mathematicians beliefs are incorrect.

Describe the four mathematicians Question



i i i i
o o o o



COORDERURT



IT

E
C
A
F
0 Replies
 
markr
 
  1  
Reply Wed 15 Feb, 2006 02:26 pm
[size=8]order in the court
face up to it
[/size]
0 Replies
 
raprap
 
  1  
Reply Wed 15 Feb, 2006 11:14 pm
Mathematicians
[size=7]Dadpad is applied and sane
Mark is pure and sane
Rap is pure and insane
Sari is applied and insane[/size]


[size=7]oivi pronounced oui vey

Order in the court

Face up to it[/size]


Rap
0 Replies
 
dadpad
 
  1  
Reply Wed 15 Feb, 2006 11:38 pm
[size=7]Wheels
front wheels d*3.142=10.997
back wheels d*3.142=13.3535[/size]


A 10 ha forest is planted in rows. the rows are 4 m apart, the trees are planted 2.5 m apart along the row.

1. How many trees are planted?
0 Replies
 
markr
 
  1  
Reply Thu 16 Feb, 2006 12:07 am
[size=8]MATHEMATICIANS
Only an applied person would say, "I'm insane." Therefore, Dadpad is applied
Only a sane person would say, "I'm pure." Therefore, Mark is sane.
Only an insane person would say, "I'm applied." Therefore, Rap is insane.
Only a pure person would say, "I'm sane." Therefore, Shari is pure.

Since Rap is insane, and Shari is pure and said Rap is sane, Shari is insane.
Since Shari is insane, and Mark is sane and said Shari is insane, Mark is pure.
Since Mark is pure, and Rap is insane and said Mark is applied, Rap is pure.
Since Rap is pure, and Dadpad is applied and said Rap is pure, Dadpad is insane.

Dadpad: Applied/Insane
Mark: Pure/Sane
Rap: Pure/Insane
Shari: Pure/Insane

I seem to have fared quite well. Thank you. However, perhaps I'm insane and just think I fared well.
[/size]
0 Replies
 
raprap
 
  1  
Reply Thu 16 Feb, 2006 12:08 am
10 ha! What the hell is a ha--I'm a 'Merican' dunt no nutting bout the metric system--cept it was invented by Ben Franklin. Now a good patriotic 'Merican' acre is 43560ft^2!

The exact number is contingent upon the shape--because if I remember it right ha (like the patriotic 'Merican' acre) is an area tern--doesn't say anything about the shape, although I could take an educated guess---the footprint of each tree is 4m by 2.5m or 10m^2. 10ha (if I rememember that communist metric system right is 100 ha to a square kilometer) is 100,000 m^2--so you oughta be able to plant 10,000 trees--ignoring the edge effects.

If it were perfectly square, though--you should be able to cram another 160 trees onto the plot.

Rap
0 Replies
 
markr
 
  1  
Reply Thu 16 Feb, 2006 12:13 am
[size=8]TREES
Depends on the dimensions:
4m x 2500m = 2002 trees
8m x 1250m = 1503 trees
.
.
.
100m x 100m = 1066 trees
[/size]
0 Replies
 
dadpad
 
  1  
Reply Thu 16 Feb, 2006 03:50 am
sorry i forgot about the metric stuff.

A hectare (ha) is 100 meters by 100 meters so 10 ha is 100 m by 1000 m

if my 100 m side is the base of my rectangle the sum is 100/4 (4meter row spacing. 100/4=25 rows

the row lengths are 1000m long (2.5m between trees) 1000/2.5=400

25*400=10,000 trees

I am interested in getting more trees if possible by changing the shape. Is this possible?

as an example if rap is correct 160 more trees would gross my client $3200 more.

If mark is correct 100mx100m= 1 ha=1066 trees per ha (not 1000 per ha as i have calculated) then I can make my client $13,200 more than I have told him. (1066x10ha=10660 trees)
0 Replies
 
raprap
 
  1  
Reply Thu 16 Feb, 2006 05:13 am
If the lot shape is 100 by 1000 meters then start on the edge (no setback) of the property and plant to the edge of the property and you'll get another row of trees. The same can be done on the ends and you'll get another tree per row.

So number or rows (100/4)+1=26. Number of trees per row is (1000/2.5)+1=401, so theoretically you can get 10,426 trees. However, you would be seriously encroaching on your client's neighbors as (depending on the decision of the courts) the neighbors could own 3/4 of the four trees on the corners and 1/2 of the trees on the edges.

So for legal reasons you might short the spacing on the edges and ends slightly to keep from potentially encroaching on neighbors (minimal setback) and still get an extra 426 trees.

Rap
0 Replies
 
 

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