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Puzzles / Riddles

Puzzles and riddles are statements and questions framed such that they require ingenuity and imagination to resolve. Most are mathematical conundru...

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The early bird

13

Hi riddlers!


Let me see if this EE category is still being visited :-)

Here's a great riddle, I think.

Post

Here's an interesting brain teaser / programming puzzle I …

3
Here's an interesting brain teaser / programming puzzle I learned the other day. The answer can be …
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The perfect fit

6

Another little puzzle. If you solve this one, you might like my next one, too.


Take 7 coins of equal

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xyzThere java challenge

bygudii9
153
Hi,
I am working on below challenge
http://codingbat.com/prob/p136594
I tried my code as below
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How to open this screw

37
I have an extension cord broken and I want to repair it.
It is closed with special head screws, …
Post

Here's an interesting coding puzzle:  A trader can perform…

Here's an interesting coding puzzle:

A trader can perform two buys and two sells in a day of a …
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Exam question

48
Down here in NZ students have just recently sat a horrible algebra paper.  It appears that the …
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What is the purpose of this gesture or action

bynickg5
19
I'm sitting in the corner of a church since we use social distancing. There is someone else sitting …
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Pet Food Recall

43
Pet Food Recall .....  This is to compile and stay in front of the ever-growing list of contaminated…
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Puzzle Solving

9
I receive a monthly magazine and in said mag there is a puzzle page. One of the regular puzzles is 4 …
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Logical reasoning – Test #3

23
I took lately a test of logical reasoning, made by IBM, and were 2-3 questions where I had …
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Word or expression

23
I miss a word. It is somewhere deep in my mind and I cannot take it out.
I need a brainstorming to …
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wordsWithoutList  challenge

bygudii9
24
Hi,

I am working on below challenge
http://codingbat.com/prob/p183407

Psedo code:
1. create …
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in1To10  java challenge

bygudii9
28
Hi,

I am working on below challenge
http://codingbat.com/prob/p137365

i worote as below
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Can anyone figure out my grandson's Year 4 Math homework?

11
Can anyone figure out my grandson's Year 4 Math homework? (He is 8!)

I've attached a photo of it.…
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Cheers!

26
A regularly occurring astronomical event and a fame for crossings link two of my favourite drinks - …
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Next in series.

18
What is the next number in the series : 1,2,4,8 ...
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FUN:  Brainstorming Categories and names for Tech-themed dog Names

Hello Fellow Experts!

I work with service dogs, and our family dog is a breeding dog for the …
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What are they?

bynickg5
13
These small cube sized items were found in a creek bed while dredging for gold many years ago. The …
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Any catchy phrases for water bottle labels.

bynickg5
16
refresh tropical mango
squeezed zero lemonade
rise zero orange.
focus kiwi strawberry

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