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Title 
1 
All numbers are equal
 Theorem: All numbers are equal.Proof: Choose arbitrary a and b, and let t = a + b. Thena + b = t(a ... Read the whole joke

2 
Answering machine
 Hello, this is probably 4389012, yes, the house of the famous statistician. I'm probably not at ho... Read the whole joke

3 
Crocodile is longer
 Prove that the crocodile is longer than it is wide.Lemma 1. The crocodile is longer than it is gree... Read the whole joke

4 
Debate about the box
 An engineer, a physicist, and a mathematician are trying to set up a fencedin area for some sheep,... Read the whole joke

5 
Dollars equal cents
 Theorem: 1$ = 1c.Proof:And another that gives you a sense of money disappearing.1$ = 100c= (10c)^2=... Read the whole joke

6 
Dollars equal ten cents
 Theorem: 1$ = 10 centProof:We know that $1 = 100 centsDivide both sides by 100$ 1/100 = 100/100 cen... Read the whole joke

7 
Equal positive integers
 Theorem: All positive integers are equal.Proof: Sufficient to show that for any two positive intege... Read the whole joke

8 
Four is equal to five
 Theorem: 4 = 5Proof:20 = 2016  36 = 25  454^2  9*4 = 5^2  9*54^2  9*4 + 81/4 = 5^2  9*5 + 8... Read the whole joke

9 
Log negative one zero
 Theorem: log(1) = 0Proof:a. log[(1)^2] = 2 * log(1)On the other hand:b. log[(1)^2] = log(1) = 0... Read the whole joke

10 
Math is turning bad
 "Psst, c'mere," said the shiftyeyed man wearing a long black trenchcoat, as he beckoned me off the... Read the whole joke

11 
Misunderstood people
 1. They speak only the Greek language.2. They usually have long threatening names such as Bonferonn... Read the whole joke

12 
N equals N plus one
 Theorem: n=n+1Proof:(n+1)^2 = n^2 + 2*n + 1Bring 2n+1 to the left:(n+1)^2  (2n+1) = n^2Substract n... Read the whole joke

13 
Numbers equal zero
 Theorem : All numbers are equal to zero.Proof: Suppose that a=b. Thena = ba^2 = aba^2  b^2 = ab  ... Read the whole joke

14 
One equal to one half
 Theorem: 1 = 1/2:Proof:We can rewrite the infinite series 1/(1*3) + 1/(3*5) + 1/(5*7) + 1/(7*9)+..... Read the whole joke

15 
One is negative one
 Theorem: 1 = 1Proof:1 = sqrt(1) = sqrt(1 * 1) = sqrt(1) * sqrt(1) = 1^ = 1Also one can dispro... Read the whole joke

16 
One plus one are two
 Theorem: 1 + 1 = 2Proof:n(2n  2) = n(2n  2)n(2n  2)  n(2n  2) = 0(n  n)(2n  2) = 02n(n  n) ... Read the whole joke

17 
Proof E equal to one
 Theorem: e=1Proof:2*e = f2^(2*pi*i)e^(2*pi*i) = f^(2*pi*i)e^(2*pi*i) = 1Therefore:2^(2*pi*i) = f^(2... Read the whole joke

18 
Purchasing the shoes
 A shoeseller meets a mathematician and complains that he does not know what size shoes to buy. "No ... Read the whole joke

19 
Reducing travel risk
 There was this statistics student who, when driving his car, would always accelerate hard before co... Read the whole joke

20 
Refrigerate elephants
 Analysis:1. Differentiate it and put into the refrig. Then integrate it in the refrig.2. Redefine t... Read the whole joke

21 
Risk of plane bombs
 A mathematician and a nonmathematician are sitting in an airport hall waiting for their flight to ... Read the whole joke

22 
Statistical oneliners
 A new government 10 year survey cost $3,000,000,000 revealed that 3/4 of the people in America make... Read the whole joke

23 
Story about infinity
 A very large mathematical convention was held in Las Vegas. The conventioneers filled two hotels, e... Read the whole joke

24 
The birthday study
 It is proven that the celebration of birthdays is healthy. Statistics show that those people who ce... Read the whole joke

25 
The fate of marriages
 It is often cited that there are half as many divorces as marriages in the US, so one concludes tha... Read the whole joke
