Brain Teasers

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Super Nova
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Re: Brain Teasers

Post by Super Nova » Sat Jan 02, 2016 5:55 pm

Question:


This riddle must be done IN YOUR HEAD and NOT using paper and pen or a calculator. Try it!

Take 1000 and add 40 to it. Now add another 1000 to it.
Now add 30. And another 1000.
Now add 20. Now add another 1000. Now add 10.
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Neferti
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Re: Brain Teasers

Post by Neferti » Sat Jan 02, 2016 7:31 pm

4100

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Super Nova
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Re: Brain Teasers

Post by Super Nova » Sat Jan 02, 2016 8:04 pm

Neferti~ wrote:4100
Well done... I got this one wrong.

I got 5000 which is a common mental mistake.
Always remember what you post, send or do on the internet is not private and you are responsible.

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Super Nova
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Re: Brain Teasers

Post by Super Nova » Sun Jan 03, 2016 11:09 pm

Image
Always remember what you post, send or do on the internet is not private and you are responsible.

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skippy
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Re: Brain Teasers

Post by skippy » Mon Jan 04, 2016 7:20 am

6

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Super Nova
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Re: Brain Teasers

Post by Super Nova » Mon Jan 04, 2016 4:21 pm

skippy wrote:6
Correct
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skippy
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Re: Brain Teasers

Post by skippy » Mon Jan 04, 2016 6:21 pm

Super Nova wrote:
skippy wrote:6
Correct
Thank dog, I was starting to get worried I looked like a proper dick at this game.

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Super Nova
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Re: Brain Teasers

Post by Super Nova » Mon Jan 04, 2016 6:47 pm

You are on your way to visit your Grandma, who lives at the end of the valley. It's her birthday, and you want to give her the cakes you've made.

Between your house and her house, you have to cross 7 bridges, and as it goes in the land of make believe, there is a troll under every bridge! Each troll, quite rightly, insists that you pay a troll toll. Before you can cross their bridge, you have to give them half of the cakes you are carrying, but as they are kind trolls, they each give you back a single cake.

How many cakes do you have to leave home with to make sure that you arrive at Grandma's with exactly 2 cakes?
Always remember what you post, send or do on the internet is not private and you are responsible.

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Neferti
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Re: Brain Teasers

Post by Neferti » Mon Jan 04, 2016 6:51 pm

skippy wrote:
Super Nova wrote:
skippy wrote:6
Correct
Thank dog, I was starting to get worried I looked like a proper dick at this game.
It's only IQSRLOW who thinks we all have low intelligence. :hi2 IQ. :mrgreen:

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Neferti
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Re: Brain Teasers

Post by Neferti » Mon Jan 04, 2016 7:02 pm

Super Nova wrote:You are on your way to visit your Grandma, who lives at the end of the valley. It's her birthday, and you want to give her the cakes you've made.

Between your house and her house, you have to cross 7 bridges, and as it goes in the land of make believe, there is a troll under every bridge! Each troll, quite rightly, insists that you pay a troll toll. Before you can cross their bridge, you have to give them half of the cakes you are carrying, but as they are kind trolls, they each give you back a single cake.

How many cakes do you have to leave home with to make sure that you arrive at Grandma's with exactly 2 cakes?
How many cakes did you start with? It doesn't say.

So I presume you began with 2 cakes and ended up at Granny's with 2 cakes?

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