Subj:
Math4  Supplement
(Includes 45 jokes and articles, 03711n,12,cf,md4vY,11) Click "Here" for MATH4Supp2 

Fractal from Best Animation 
The MATH1
file are nonmathematical math jokes
MATH2
file are mathematical jokes
Math3
file contains tests, and formulas
Math4
file contains problems
Math5
file contains quotes
MATH6
file contains lymerics, short jokes, stories, and QA.
============================================================Top
Subj:
Three Guys Rent A Room (S424b, S658)
From: LABLaughsRiddles on 3/9/2005 Drawing
from JBCARY1 on 10/20/2003...

Three guys walk into town. They
go into a hotel and ask for
a room they can share. The clerk
has just the thing they
want for thirty dollars.
The clerk sends them to the room,
takes out the ledger, and realizes
that he made a mistake.
The room costs only twentyfive
dollars. Now he has to
divide five dollars evenly three
ways. Can't be done. So
the clerk pockets two dollars,
tells the guys that he made
a three dollar mistake and gives
them each a single. Now,
each man paid only nine dollars
for his share of the room.
Nine times three equals twenty
seven, plus the two in the
clerk's pocket equals twenty
nine. Where's the other dollar?
.
.
To see the solution, click  . 
A man told his son that he would
give him $1000 if he could
accomplish the following task.
The father gave his son ten
envelopes and a thousand dollars,
all in one dollar bills.
He told his son, "Place the
money in the envelopes in such
a manner that no matter what
number of dollars I ask for,
you can give me one or more
of the envelopes, containing the
exact amount I asked for without
having to open any of the
envelopes. If you can do this,
you will keep the $1000."
When the father asked for a sum
of money, the son was able
to give him envelopes containing
the exact amount of money
asked for. How did the son distribute
the money among the
ten envelopes?
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The contents or the ten envelopes
(in dollar bills) should
be as follows: $1, 2,4, 8, 16,
32,64, 128,256, 489. The
first nine numbers are in geometrical
progression, and
their sum, deducted from 1,000,
gives the contents of the
tenth envelope
Top
Subj: 100
Items, 100 Cents (S408)
From: My thirtyfive years of teaching math
A girl bought some pencils, erasers,
and paper clips at the
stationery store. The
pencils cost ten cents each, the
erasers cost five cents each,
and the clips cost two for
one cent. If she bought
one hundred things altogether at
a total cost of one dollar,
how many pencils, how many
erasers, and how many clips
did she buy?
Answer backwards
.spilc ytnin, dna sresare enin,
licnep eno thguob ehS
Top
Subj: Math
Prob.  Boys Eating Pizza (S403b)
From: LABLaughsRiddles on 10/7/2004
If six and a half boys can eat
six and a half pizzas in an
hour and a half, how many pizzas
could eight boys eat in
seven and a half hours?
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40
From the assumption, each boy
can eat one pizza in an hour
and a half or five pizzas in
seven and a half hours (7.5 /
1.5 = 5) and 8 x 5 = 40
Top
Subj: Math
Prob.  I'm A Three Digit Number (S395)
From: Brain Teasers Central on August 25,2004
at http://www.brainteasercentral.com/
Question
I am a three digit number.
My tens digit is five more than
my ones digit.
My hundreds digit is eight less
than my tens digit.
What number am I?
Answer backwards
roufytnindnaderdnuheno
Top
Subj: MATH
PROB.  John's Weight (S395b)
From: LABLaughsRiddles on 8/19/2004
Nick and John were exercising
when the subject of weight
came up. Nick had no problem
telling John his weight, but
John said he had more "mass"
than he wanted. He wouldn't
come right out and reveal his
weight; so he told Nick this
riddle. " I weigh 147 pounds
plus half of my weight," he
said. How much does he weigh?
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If John weighs 147 pounds plus
half of his body weight,
the 147 pounds represents the
other half. John weighs
294 pounds.
Top
Subj: MATH
PROB.  Eating Dumplings
From: LABLaughsRiddles on 8/12/2004
Kerry loves dumplings. He can
eat 32 of them in an hour.
His brother Pete needs 3 hours
to eat the same amount.
How long will it take them both
together to eat 32 dumplings?
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If Kerry eats 3 times as fast
as Pete, he must be able to
eat 3 times as many dumplings
as his brother. Therefore,
Kerry eats 24 while Pete eats
8 ( 32 ? 4 = 8 ). Together
it takes them 45 minutes.
Top
Subj: MATH
PROB.  Two Bikes And A Pigeon (S394)
From: LABLaughsRiddles on 8/13/2004
(Also see 'Two Trains And A Fly'
in MATH4)
Two friends decide to get together;
so they start riding
bikes towards each other.
They plan to meet halfway. Each
is riding at 6 MPH. They
live 36 miles apart. One of them
has a pet carrier pigeon and
it starts flying the instant
the friends start traveling.
The pigeon flies back and
forth at 18 MPH between the
2 friends until the friends
meet. How far does the
pigeon travel?
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It takes 3 hours for the friends
to meet; so
the pigeon flies for 3 hours
at
18 MPH=54 miles.
Top
Subj: Math
Prob.  The Train And The Tunnel (S408b)
From: My thirtyfive years of teaching math
A freight train one mile long
goes through a tunnel that is
one mile long. If the
train is traveling at a speed of 15
miles per hour, how long does
it take to pass through the
tunnel?
Answer backwards
fo ecnatsid a slevart niart
ehT
.setunim thgie sekat hcihw selim
owt
Top
Subj: Math
Prob.  Two Trains In Two Minutes (S394b)
From: LABLaughsRiddles on 8/9/2004
Two trains are on a head on collision
course. The trains
are currently 65 miles apart.
The north bound train is
traveling at 55 miles per hour
and the south bound train
is traveling at 80 miles per
hour. What is the distance
between the trains two minutes
before they collide?
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If the trains are moving toward
each other we combine their
speeds to give us their speed
basis. So: 55+80=135mph. Divide
this speed by 60 minutes to
give the speed they are traveling
each minute=2.25 miles/minute.
Therefore: 2 minutes before
impact they are 4.5 miles apart.
Top
Subj: Math
Prob.  Bars of Soap (S393)
From: LABLaughsRiddles on 8/10/2004
When manufacturing bars of soap,
the cutting machine produces
scraps. The scraps from
11 bars of soap can be made into one
extra bar. What is the
total number of bars that can be made
after cutting 250 bars of soap?
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Divide 250 by 11 which equals
22.8. Now
when you combine the extra 8
scraps with
the scraps you'll have from
the 22 bars,
you'll have 30 more scraps.
They will
produce 2 more bars; so the
total additional
bars will be 24.
Top
Subj: Math
Prob.  The School Concert (S391b)
From: Anonymous Jr on 7/18/2004
My son's school has fewer than
500 students. Onethird, one
fourth, onefifth, and oneseventh
of the total number of
students are all whole numbers.
Coincidentally, their sum
is exactly the total number
students who attended the school
concert. How many students attended
the school concert?

Solution: 420 is
the only number below 500 divisible by
3, 4, 5, ? 7 because 3(4)(5)(7)
is 420. 1/3 of 420 plus
1/4 of 420 plus 1/5 of 420 plus
1/7 of 420 is 389.
Top
Subj: Math
Prob.  Age Of Father And Son (S390b)
From: Brain Teasers Central on July 14,2004
at http://www.brainteasercentral.com/
The ages of a father and son
add up to 66. The father's age
is the son's age reversed. How
old could they be? (3 possible
solutions).
.
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Answer
51 and 15, or 42 and 24, or 60 and 06.
Top
Subj: Math
Prob.  How Many Ants? (S390)
From: Dan's Problem of the Week on July 14,2004
at http://www.dansmath.com/probofwk/probarch.html
At least a dozen ants are marching
through my kitchen! If
the ants walk in rows of 7,
11, or 13, there are 2 ants left
over, while in rows of 10, there
are 6 left over. What is
the smallest number of ants
there could be?

Solution: One thing to
notice is that 7 * 11 * 13 = 1001, so
the number can be (and must
be) 2 more than a multiple of 1001.
This gives 1003, 2004, 3005,
4006. The last one is the first
one that's 6 more than a multiple
of 10. Therefore there were
4006 ants (and one uncle, if
you count me!).
Andy M's answer:
Top
Subj: Math
Prob.  The Spider and the Fly (S389b)
From: Dan's Problem of the Week on July 8,2004
at http://www.dansmath.com/probofwk/probarch.html
A spider, in the topleftfront
corner of a 10 x 10 x 10 foot
room, sees a big fat fly in
the bottomrightback corner.
Describe the shortest path,
and the length of the path, that
the spider can crawl to get
the fly. That's crawl, not jump,
fly or spiderweb express! Your
explanation must be clear.
(Not affiliated with the squished
fly from Problem #2.) ;}

Solution: Think of unfolding
the room and seeing the ceiling
and right wall as a 10 x 20
domino. The shortest path is a
straight line; the diagonal
of this domino, which is /(10^2
+ 20^2) = /500 = 10/5 ft ,
or about 22.36 feet.
Answer: 10/5 ft , which is
22.36 ft to nearest hundredth.
Flavio's answer:
Note: This is a simplified version
of a famous problem, in
which the room is 12 x 12 x
30 ft, the spider is 1 ft below
the ceiling in the middle of
one 12 x 12 ft end wall, and
the fly is 1 ft above the floor
in the middle of the opposite
end wall. Now what's the
shortest path? There are different
ways the story can "unfold"
here!
Top
Subj: Math
Prob.  Buying Four Things At 711 (S388b)
From: Anonymous Jr on 7/4/2004
A man went into a 711 store
and chose four items. The clerk
calculated the total amount
which came out to $7.11. The cust
omer thought the price was too
high so he asked the clerk how
he got that total and the clerk
said he multiplied the prices
together to get the total.
The customer asked him to add
the prices together and the clerk
came up with the same total
 $7.11. What were the prices of
the four items the customer
bought?
Anna, the older twin, was born
three hours before her younger
sister Lana. On Lana's
21st birthday, they both went out to
a club with some friends.
The bouncer was checking ID's and
let Lana go in. But when
the older Anna tried to follow her
in, the bouncer said, "I'm sorry,
your 21st birthday isn't
for another two days."
How is this possible? Explain fully
and correctly to win the contest.

Solution: (by Andy and
Aaron Murdock)
For this problem, the "impossible
twins" aren't impossible
just improbable. They
were both given birth on a boat (or a
plane or helicopter, etc, just
anything capable of crossing
the international dateline).
Anna, the older twin, was born
on March 1 of a nonleapyear
on the Asian side of the
International Dateline, three
hours later, after they had
crossed to the other side of
the Dateline, Lana was born,
the date being February 28.
21 years later, which happens
to be a leapyear, they go to
a night club on the 28th of
February, Lana's birthday, yet
Anna has to wait two days,
the 29th and then the 1st.
Subj:
Math Prob.  Canaries And Cages (S385b,S621b)
From: RiddlesOnline.com on 6/11/2004 Drawing
from MSHA.gov...

Fred owns a pet store.
He puts one canary per cage,
but has one bird too many.
If he puts two canaries in each cage,
he has one cage too many.
How many cages and canaries does he have?
.
Top
Subj: Math
Prob.  The Missing Dollar (S384b)
From: Brain Teasers Central on June 6,2004
at http://www.brainteasercentral.com/
Three friends check into a motel
for the night and the clerk
tells them the bill is $30,
payable in advance. So, they each
pay the clerk $10 and go to
their room. A few minutes later,
the clerk realizes he has made
an error and overcharged the
trio by $5. He asks the
bellhop to return $5 to the 3 friends
who had just checked in.
The bellhop sees this as an opportunity
to make $2 as he reasons that
the three friends would have a
tough time dividing $5 evenly
among them; so he decides to tell
them that the clerk made a mistake
of only $3, giving a dollar
back to each of the friends.
He pockets the leftover $2 and
goes home for the day!
Now, each of the three friends gets a
dollar back, thus they each
paid $9 for the room which is a
total of $27 for the night.
We know the bellhop pocketed $2
and adding that to the $27,
you get $29, not $30 which was
originally spent. Where did
the other dollar go????
Answer
The facts in this riddle are
clear: There is an initial $30
charge. It should have
been $25, so $5 must be returned and
accounted for. $3 is given
to the 3 friends, $2 is kept by
the bellhop  there you have
the $5. The trick to this riddle
is that the addition and subtraction
are done at the wrong
times to misdirect your thinking
 and quite successfully for
most. Each of the 3 friends
did indeed pay $9, not $10, and
as far as the friends are concerned,
they paid $27 for the
night. But we know that
the clerk will tell us that they
were charged only $25 and when
you add the $3 returned with
the $2 kept by the bellhop,
you come up with $30.
Top
Subj: MATH
PROB.  The Band Crosses A Bridge (S383)
From: Brain Teaser Central
at http://www.brainteasercentral.com/
Four members of a band are walking
to a night concert. They
decide to take a shortcut, but
must cross a bridge. Luckily
they have one flashlight.
Because of the varying size of their
instruments, it takes each member
a different amount of time to
cross the bridge  it takes
the first person one minute, the
second person two minutes, the
third person five minutes and
the fourth person ten minutes.
They must cross the bridge in
pairs, travelling at the slower
speed so if the one minute
person went with the ten minute
person, it would take a total
of ten minutes. Since
there is only one flashlight, one person
must come back across the bridge,
then another pair can cross.
They only have 17 minutes to
cross the bridge and still get to
the concert on time. What
order should they cross to get every
one across and get to the concert?
Answer
First, the one minute person
and the two minute person must cross
the bridge, for a total of two
minutes. Then the one minute
person should come back with
flashlight  total of three minutes.
The five minute person and the
ten minute person cross together
next, making the total thirteen
minutes. Now the two minute
person goes back and (total
now fifteen minutes) and gets the
one minute person and they cross
together bringing the total to
seventeen minutes.
Top
Subj: MATH
PROB.  Two Eggs And A 100 Story Building (S381b)
From: jimmysu on 5/9/2004
You have a 100 story building
and two eggs. These are
especially strong eggs.
There is some floor below which
the egg will not break if dropped.
What is the worst case
upper bound on the number of
drops you must make to
determine this floor?
The problem is simple with a
single egg, but gets interesting
with two eggs.
Answer backwards neetruof.
My cousin and I finally solved
it. The solution can be
seen by clicking 'HERE'.
Top
Subj: MATH
PROB.  Three Eggs And A 1000 Story Building (S387b)
From: jmholmes on 5/9/2004
During the solution of the math
problem "Two Eggs
a 100
Story Building" in Sunday Morning
Laughs #381b, I challenged
the readers to the next level
problem:
You have a 1000 story building
and three eggs. These are
especially strong eggs.
There is some floor below which
the egg will not break if dropped.
What is the worst case
upper bound on the number of
drops you must make to
determine this floor?
Jack took up the challenge and
you can see his solution to
the problem by going to clicking
'HERE'.
Jack went on to make a more general problem.
How's about this for a slight
twist  at what point can the
building size be 10n and the
number of eggs be x+1, and have
the total number of drops required
be smaller than for a
building of size n with x eggs?
Will Junior or Jimmy solve Jack's problem first?????????
Top
Subj: MATH
PROB.  Numbers Of Pages (S369, S636)
From: Brain Food on 2/14/04
Source: http://www.rinkworks.com/brainfood/groaners.shtml
An encyclopedia consists of ten
volumes (sitting next to
each other, in order, on a shelf).
Each volume contains
one thousand pages. Excluding
the covers of each volume,
how many pages are between the
first page of the
encyclopedia and the last?
Photo from
DollHouseMiniatures.com 
Top
Subj: MATH
PROB.  Numbers Written w/Streight Lines (S369b)
From: Brain Food on 2/14/04
Source: http://www.rinkworks.com/brainfood/miscword.shtml
Of those numbers whose English
representation in capital
letters consists only of straight
lines, only one number
has a value equal to the number
of straight line segments
required to write it out. What
number is this?
Answer backwards ENINYTNEWT
Top
Subj: MATH
PROB.  How Many Gloves Must Be Drawn? (S367b)
From: LABLaughs.com on 2/7/2004
Cathy has six pairs of black
gloves and six pairs of brown
gloves in her drawer.
In complete darkness, how many gloves
must she take from the drawer
in order to be sure to get a
pair that match? Think carefully!!
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ANSWER
13. She could possibly take out
6 black left hand gloves
and then 6 brown left hand gloves,
the next one would have
to be either the right hand
or left hand match.
Top
Subj: MATH
PROB.  Find A Three Digit Number (S345b)
From: LABLaughs.com on 8/13/2003
I am a three digit number.
My tens digit is five more than
my ones digit.
My hundreds digit is eight less
than my tens digit.
What number am I?
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ANSWER
Number 194.
Top
Subj: MATH
PROB.  Clothing Store Prices
From: LABLaughs.com on 6/20/2003
There is a clothing store in
Bartlesville. The owner has
devised his own method of pricing
items. A vest costs $20,
socks cost $25, a tie costs
$15 and a blouse costs $30.
Using the method, how much would
a pair of underwear cost?
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ANSWER
At $5 a letter you'd be charged
$45 for underwear.
Top
Subj: MATH
PROB.  Painting A Fence
From: LABLaughs.com on 6/1/2003
If it takes Alicia 3 hours to
paint a fence, and it takes
Mark 6 hours to complete the
same job. How long would it
take both of them working together
at their normal paces
to complete the same job?
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ANSWER
Two hours.
Alicia can complete 1/3 of the
job in one hour and Mark
can complete 1/6 of the job
in one hour; therefore,
together they can complete 1/3
plus 1/6 or 1/2 of the job
in one hour. Consequently, the
entire job can be completed
in just two hours. Or, you can
figure it by saying
(a x b)/(a+b)=time spent.
Top
Subj: MATH
PROB.  Count Horses And Men
From: LABLaughs.com on 7/8/2003
In a stable there are men and
horses. In all, there are 22
heads and 72 feet. How many
men and how many horses are in
the stable?
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ANSWER
14 horses and 8 men.
14x4 plus (8x2) = 72 feet.
Top
Subj: MATH
PROB.  Count The Legs (S329b)
From: LABLaughs.com on 5/19/2003
There are six men and they each
have six baskets. Each
basket has six cats inside and
each cat has six kittens.
Assuming all are whole and healthy,
how many legs are
there?
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ANSWER
A whole bunch...6060!
Top
Subj: MATH
PROB.  Frog In A Well (S312b, S542c)
From: LABLaughs.com on 1/19/2003
A frog fell into a well 12 feet
deep. He could jump 3 feet,
but every time he jumped 3 feet,
he fell back 2 feet. How
many times did he have to jump
to get out of the well?
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ANSWER
The tenth jump took him out.
(On the tenth jump he reached
12 feet and was out.)
Top
Subj: MATH
PROB.  Half Of Twelve (S306b)
From: LABLaughs.com on 12/8/2002
How can you get seven by cutting 12 in half?
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ANSWER
If you cut the roman numeral
12 (XII) in half and use the
top half (VII) you get seven!!!!!!
Top
Subj: MATH
PROB.  Filling Buckets (S299b, S542)
..........From:
LABLaughs.com on 10/23/2002
If you need 4 Gallons of water
from a well and you have a
five gallon and a three gallon
bucket, how will you get
four gallons?
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ANSWER
Fill the five, then from the
five fill the three, now empty
the three. Fill the three with
the other two gallons. Refill
the five then continue filling
the three. You should have
four gallons left in the five
when the three is filled.
Top
Subj: LOGIC
PROB.  Murder Suspects (S386b)
From: Brain Teasers Central on June 11,2004
at http://www.brainteasercentral.com/
A man was found murdered on Sunday
morning. His wife immediately
called the police. The
police questioned the wife and staff and
got these alibis:
The Wife said she was sleeping.
The Cook was cooking breakfast.
The Gardener was picking vegetables.
The Maid was getting the mail.
The Butler was cleaning the
closet.
The police instantly arrested
the murderer. Who did it and how
did they know?
Answer
It was the Maid. She said she
was getting the mail. There is no
mail on Sunday! (next day air
and email doesn't count)
Top
Subj: LOGIC
PROB. Poets And Story Tellers (S392)
From: J. Fallon on 07/31/04
In the mystical Land of Writers,
all the natives belonged to
one of two races. There
was the Poet's race, who always told
the truth, and Story Teller's
race who always lied.
One day, two Writers, Mili
Tary, were crossing the country
trying to get home after a tour
of duty in the army. They
came to the river Fallon and
signaled the boatman, Joel, on
the other side to bring them
across the river.
Joel, a Poet, didn't like Story
Tellers. He had worked eight
hours that day bringing travelers
across the Fallon river.
It was getting dark and the
wind was starting to blow. Halfway
across the river, Joel decides
that he was done for the day,
unless they were Poets.
Joel yells to Mili, "What race
are you?" Mili's answer can't
be understood because of the
wind.
A second time, Joel yells to
Mili, "What race are you?" Again
Mili's answer was muffled by
the wind. Tary can't stand this
lack of progress, so he yells
"He said 'He is a Poet'. He is
a Poet, and so am I."
Who, if any, did Joel bring across the river and why?
Answer from Jack
They are both poets because:
1: Mili would answer that
he was a Poet regardless of which
he was.
2: Therefore Tary must
be a Poet since he told the truth
about what
Mili answered.
Top
Subj: LOGIC
PROB.  Truck Crosses Bridge (S344b, S543)
From: LABLaughs.com on 8/16/2003
A large truck is crossing a bridge
1 mile long. The bridge
can only hold 14000 lbs, which
is the exact weight of the
truck. The truck makes it half
way across the bridge and
stops. A bird lands on the truck.
Does the bridge collapse?
Give a reason.
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ANSWER
No it does not collapse. Because
it has driven a half mile 
you would subtract the gas used
from the total weight of
the truck.
Subj:
Puzzle  64 = 65 (S431b)
From: LABLaughsRiddles on 4/28/2005 
The animated GIF '64 = 64' can
be viewed at the source above,
or on my web site by clicking
'HERE'.
Subj:
PUZZLE  Crystal Ball (S398b)
From: Fun Page Exchange on September 6,2004 
Cute Flash Movie Math Puzzle
that can either be viewed at
the source above or by clicking
'HERE'
for the file version.
Subj:
A 2ed Vers titled 'Flash Mind Reader'
From: DoctorDebt (S441b) on 7/8/2005 
This one can be tried at the
source above, or on my web site
by clicking 'HERE'.
Subj:
PUZZLE  Space Patrol (S384)
From: Brain Teaser Central on 6/5/2004 at http://www.brainteasercentral.com/ 
Cute Flash Movie Puzzle that
can either be viewed at the source
above or by clicking 'HERE'
for the file version.
Top
Subj: PUZZLE
 Orange Juice Problem (S383)
From: mrx on 5/15/2004
at http://www.ezines4all.com/fun/qa/index.htm
Click 'Here' for the answer
Top
Subj: PUZZLE
 Ten Trees Planted in Five Rows (S383b)
From: Brain Teaser Central
at http://www.brainteasercentral.com/
You have 10 trees and you have
to plant them in five rows
but each row must contain 4
trees. How is this possible?
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shape of a star: 
Subj:
PUZZLE  Love Magic (S383)
From: Brain Teaser Central on 5/15/2004 
You pick the number of times
per week you want sex and do the
calculation. Very cute
flash movie. View it at the source
above or click 'HERE'
for the file version.
Subj:
PUZZLE  Phone Number Calculation (S369b, S551c)
From: Grampsboyd on 2/13/2004 and From: Malcolm on 8/10/2007 
1. Key in the first 3 digit of
your phone number into the
calculator. NOT
WITH AREA CODE
2. Multiply by 80.
3. Add 1.
4. Multiply by 250.
5. Add the last 4 digit of your
phone number(ex.1234).
6. Add the last 4 digit of your
phone number(ex.1234)again.
7. Subtract 250.
8. Divide by 2.
Is this your phone number??
Can you figure out and explain
how the arithmetic works.......
Subj:
PUZZLE  Bus Stop Pictures
From: World Of Puzzles in April 2003 issue (S311b, S543c) 
Top
Subj: PUZZLE
 What Row Of Numbers Is Next? (S311b)
From: LABLaughs.com on 1/18/2003
What row of numbers comes next?
This is a tough one!
1
11
21
1211
111221
312211
13112221
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Here it comes
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ANSWER
The next row is
1113213211
Starting with the second line,
every line describes the
line before it. In writing,
it is:
One One
Two Ones
One Two One One
\\\//
(o o)
========================oOO==(_)==OOo======================
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.............................From
GIFs
Rubrik:Neon Smiley
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