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Math and logic riddle thread
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  ExtraCredit  




 
 
    
 

Post Thu, Oct 15 2020, 5:25 pm
Tamari wrote:
It's gonna work cuz this IS the answer Very Happy

No my spoiler option somehow didn’t work in the post before that
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  ChanieMommy  




 
 
    
 

Post Thu, Oct 15 2020, 5:29 pm
ExtraCredit wrote:
Let’s see if it works now
Hidden: 

7 cards 1,2,4,8,16,32,64


Yes those are the first numbers on the different cards.

What about the other numbers?
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  Tamari  




 
 
    
 

Post Thu, Oct 15 2020, 5:33 pm
ExtraCredit wrote:
No my spoiler option somehow didn’t work in the post before that

Hidden: 


I'm just saying that you have the correct answer. This should be the top number on the 7 cards. The sum of each number from 1-100 can be reached by adding some of these numbers. So put each number on the cards that are addends of it.
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  ChanieMommy  




 
 
    
 

Post Thu, Oct 15 2020, 5:33 pm
ExtraCredit wrote:
Dizzying Hiding


My cards, the cards you used as a child would not have the numbers tamari proposed, but other numbers...

You were right about the first numbers and about the way to find out the number, and about the number of cards...

What is left is the first question: what were the numbers on each card?
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  Tamari  




 
 
    
 

Post Thu, Oct 15 2020, 5:33 pm
ChanieMommy wrote:
My cards, the cards you used as a child would not have the numbers tamari proposed, but other numbers...

You were right about the first numbers and about the way to find out the number, and about the number of cards...

What is left is the first question: what were the numbers on each card?


Read my previous post
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  ChanieMommy  




 
 
    
 

Post Thu, Oct 15 2020, 5:34 pm
Tamari wrote:
Hidden: 


I'm just saying that you have the correct answer. This should be the top number on the 7 cards. The sum of each number from 1-100 can be reached by adding some of these numbers. So put each number on the cards that are addends of it.


Right

So what would the cards looks like? (first few numbers of each card)
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  ExtraCredit  




 
 
    
 

Post Thu, Oct 15 2020, 5:36 pm
ChanieMommy wrote:
My cards, the cards you used as a child would not have the numbers tamari proposed, but other numbers...

You were right about the first numbers and about the way to find out the number, and about the number of cards...

What is left is the first question: what were the numbers on each card?
Hidden: 


Oh I’m not good at writing every detail in my answer once I get it. I can show you a pic of the columns I have at home but not gonna print it Laugh The idea is that you write the numbers as many times as needed till the first digits all add up to it. For example the 3 would be written on the 1&2 card etc etc etc etc
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  ExtraCredit  




 
 
    
 

Post Thu, Oct 15 2020, 5:39 pm
But,
Hidden: 

like I mentioned I’d hide even the first digits to make it harder for the person being tricked to figure it out. I’d write it all in a random order. When adding I’ll know to look out for those 7 digits
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  Tamari  




 
 
    
 

Post Thu, Oct 15 2020, 5:42 pm
ChanieMommy wrote:
Right

So what would the cards looks like? (first few numbers of each card)

Some of it: Read it as rows, not colums

Hidden: 

1 3 5 7 9 11 13 15
2 3 6 7 10 11 14 15
4 5 6 7 12 13 14 15
8 9 10 11 12 13 14 15
16 17 18 19 20 21 22 23
32 33 34 35 36 37 38 39
64 65 66 67 68 69 70 71
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  ChanieMommy  




 
 
    
 

Post Thu, Oct 15 2020, 5:48 pm
Tamari wrote:
Some of it: Read it as rows, not colums

Hidden: 

1 3 5 7 9 11 13 15
2 3 6 7 10 11 14 15
4 5 6 7 12 13 14 15
8 9 10 11 12 13 14 15
16 17 18 19 20 21 22 23
32 33 34 35 36 37 38 39
64 65 66 67 68 69 70 71


Right!!!

Applause Applause Applause Applause Applause Applause Applause Applause Applause Applause Applause
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  Tamari  




 
 
    
 

Post Thu, Oct 15 2020, 5:51 pm
On to the next one:

Find a ten-digit number in which the 1st digit is the amt of 0's in the whole number, 2nd digit is the amt of 1's, 3rd digit amt of 2's etc. till the tenth digit which is how many 9s in the number.
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  ChanieMommy  




 
 
    
 

Post Thu, Oct 15 2020, 5:51 pm
ExtraCredit wrote:
But,
Hidden: 

like I mentioned I’d hide even the first digits to make it harder for the person being tricked to figure it out. I’d write it all in a random order. When adding I’ll know to look out for those 7 digits


Yes, that's something you could do, but on the other hand it would make it harder for the person to find her number, she might miss oout on one card, and then you would give her the wrong number...


So I think the best strategy is to write the numbers in order, but not to hand out the cards in order...
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  ExtraCredit  




 
 
    
 

Post Thu, Oct 15 2020, 5:54 pm
Tamari wrote:
On to the next one:

Find a ten-digit number in which the 1st digit is the amt of 0's in the whole number, 2nd digit is the amt of 1's, 3rd digit amt of 2's etc. till the tenth digit which is how many 9s in the number.

Can have tons of answers. Let me try one
Hidden: 

5210100080
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  ExtraCredit  




 
 
    
 

Post Thu, Oct 15 2020, 5:56 pm
Unless if you wanted us to continue the pattern till the end? I only followed the rules you actually typed.
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  Tamari  




 
 
    
 

Post Thu, Oct 15 2020, 5:58 pm
ExtraCredit wrote:
Unless if you wanted us to continue the pattern till the end? I only followed the rules you actually typed.


etc. usually means that......of course you have to follow thru till the end.
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  ChanieMommy  




 
 
    
 

Post Thu, Oct 15 2020, 5:58 pm
Tamari wrote:
On to the next one:

Find a ten-digit number in which the 1st digit is the amt of 0's in the whole number, 2nd digit is the amt of 1's, 3rd digit amt of 2's etc. till the tenth digit which is how many 9s in the number.


That's easy, if there are no other restrictions:

Hidden: 

8'100'000'000
or
9'000'000'000

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  ExtraCredit  




 
 
    
 

Post Thu, Oct 15 2020, 6:01 pm
ChanieMommy wrote:
That's easy, if there are no other restrictions:

Hidden: 

8'100'000'000
or
9'000'000'000


Whoops now I’m upset I checked yours. I thought you also didn’t follow all rules. Your first is right but the second one is wrong


Last edited by ExtraCredit on Thu, Oct 15 2020, 6:01 pm; edited 1 time in total
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  Tamari  




 
 
    
 

Post Thu, Oct 15 2020, 6:01 pm
ChanieMommy wrote:
That's easy, if there are no other restrictions:

Hidden: 

8'100'000'000
or
9'000'000'000



Wrong.
There are not Zero 8's in the first one or zero 9's in the second
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  ExtraCredit  




 
 
    
 

Post Thu, Oct 15 2020, 6:02 pm
Tamari wrote:
Wrong.
There are not Zero 8's in the first one or zero 9's in the second

Ohhhh great so it’s not that easy. Ok last one for today then I go cook. This is fun.
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  ExtraCredit  




 
 
    
 

Post Thu, Oct 15 2020, 6:11 pm
Hidden: 

6210001000

Hi
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