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Post by eddie on Sun Mar 20, 2016 3:29 pm

MIND BOGGLERS......TONGUE TWISTERS.....BRAIN BOMBS.......WEIRD QUESTIONS......



Post them here. Don't forget to come back and give us the answers though! Only rule is NO GOOGLING!!


Good luck!
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Post by eddie on Sun Mar 20, 2016 3:29 pm

I copied the post from Facebook so not sure why is mentions Americans?
Anyway, can you solve it Question

Can you solve this? * Stick your mind-bogglers here! Image25
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Post by Victorismyhero on Sun Mar 20, 2016 3:50 pm

division by zero is invalid....

so the sum itself as presented is nonsensical....

to be valid (and obey the BODMAS rule of mathematical priority ) and thus make sense it needs re writing as

5+3x2-10/ (0+10)

in which case the answer is 0.1

becasue

according to the rules
we have 5+ (3x2) -10/(0+10)

so you work out the top of the division first
then work out the divisor

then do the division

multiplication has priority over addintion
hence
5+(3x2) is 11

NOT (5+3)x2 which is 16



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Post by Victorismyhero on Sun Mar 20, 2016 4:00 pm

arguably so zack...but only if you do the maths WRONG and have an active division by zero...

you have to mensurate both top and bottom of the divison FIRST

so you dont actually have division by zero

since 0+10 = 10

and mathematically speaking infinity is undefined....




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Post by eddie on Sun Mar 20, 2016 4:18 pm

This is an ongoing argument on Facebook
Lots of people saying 21 infinity??
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Post by Victorismyhero on Sun Mar 20, 2016 6:25 pm

yes, but....

since infinity is undefined, the answer means you have your "mathematical model" wrong.


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Post by eddie on Sun Mar 20, 2016 7:52 pm

I haven't a clue No
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Post by Ben Reilly on Sun Mar 20, 2016 8:20 pm

Yeah, my first thought was that there's never been a human being who has been able to solve that problem, since division by zero is impossible -- don't know why Americans were singled out.

Here's one -- a man sees his friend on the opposite side of a river and crosses over to greet him. He doesn't have a bridge or boat, but he doesn't get wet. How did he do it?
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Post by eddie on Sun Mar 20, 2016 8:55 pm

Does he have a really really strong kite?
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Post by veya_victaous on Sun Mar 20, 2016 10:33 pm

pretty sure it is 10.

                      10
5 + (3*2) -   -------           =   5+6-1  =  10
                    (0+10)
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Post by veya_victaous on Sun Mar 20, 2016 10:34 pm

Ben_Reilly wrote:Yeah, my first thought was that there's never been a human being who has been able to solve that problem, since division by zero is impossible -- don't know why Americans were singled out.

Here's one -- a man sees his friend on the opposite side of a river and crosses over to greet him. He doesn't have a bridge or boat, but he doesn't get wet. How did he do it?

it might be Aussie answer but
dry river pirat
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Post by veya_victaous on Sun Mar 20, 2016 11:30 pm

@Zack
human error in the writing of the algorthm.

IF I was given that as computer typed Notes i would automatically assume the Division(/) is meant as a Fration marker.

so it would be 10 / (0+10) which is 10/10 which is 1

10/0 is irrational number so you cannot use it in a standard formula. thus assumption must be that is not what is implied.





ARITHMETIC INVOLVING ZERO


If you add zero to or subtract it from any other number that number does not change,

e.g. 2 + 0 = 2, 6 – 0 = 6, 0 + ½ = ½ .

If you multiply by zero, the answer is always zero,

e.g. 5 ´ 0 = 0, 10000 ´ 0 = 0,

0 ´ Can you solve this? * Stick your mind-bogglers here! Image47 = 0, (-6) ´ 0 = 0.
 
If zero is divided by another number the answer is zero,
e.g. 0 ¸ 6 = Can you solve this? * Stick your mind-bogglers here! Image48 = 0.
You can NEVER DIVIDE BY ZERO
e.g. Can you solve this? * Stick your mind-bogglers here! Image49 and Can you solve this? * Stick your mind-bogglers here! Image50 are all undefined.
notice to make the fraction look normal they loaded them as images Wink
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Post by WhoseYourWolfie on Mon Mar 21, 2016 2:22 am

veya_victaous wrote:
Ben_Reilly wrote:Yeah, my first thought was that there's never been a human being who has been able to solve that problem, since division by zero is impossible -- don't know why Americans were singled out.

Here's one -- a man sees his friend on the opposite side of a river and crosses over to greet him. He doesn't have a bridge or boat, but he doesn't get wet. How did he do it?

it might be Aussie answer but
dry river pirat
scratch

Or he walks around a bend in the river  ?
Where the friend only appeared to be on the other side..
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