Take this silly quiz and we will predict your all time favorite tv show!

First pick a number from 1 to 9.

Multiply by 3.

Add 3.

Multiply by 3 again.

Add the two digits together.

Now you should get a number and find it in the chart below!

1.Smallville

2.Grey's Anatomy

3.Supernatural

4.House

5.Gossip Girl

6.Heroes

7.One Tree Hill

8.Prison Break

9.Barney & Friends

10.Family Guy

11.The Office

12.Scrubs

13.Battlestar Galactica

14.CSI

15.NCIS

16.Bones

17.Naruto

18.ER

19.Desperate Housewives

20.Ghost Whisperer

How are you supposed to get 19 or 20 by adding two digits together?Are you implying that noone ever enjoyed Desperate Housewives or Ghost Whisperer?

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The silliest thing is that it's impossible to get any result other than 9!

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Your result depends on the base you work in

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The only possible result is 9.This is easy to prove.

If you write a function of x where x is the number you choose between 1 and 9 and simplify it,它会像这样:

choose a number

x

multiply by 3

3 x

add 3

3x + 3

multiply by 3 again

3(3x + 3)

simplify

f(x) = 9(x + 1)

Obviously (x + 1) is a random number beetween 2 and 10 and we know that if we multiply a number on that space by 9 the first number will be an rising row and the second one a descending row.

18

27

36

45

54

63

72

81

90

So if we call the first number a,the second number b and x +1 will be k then it will look like this:

a = k-1 = x+1-1 = x

b = 10-k = 10-(x+1) = 9-x

then the final step is

y = a+b = x+9-x = x

y = 9

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seriously?you're assuming barney&friends is everyone's favourite TV show?

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