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Puzzles and riddles are statements and questions framed such that they require ingenuity and imagination to resolve. Most are mathematical conundrums, but can also include the arcane, trivial or simply funny.

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Black friday shopping!  Walmart and Staples has the 3600 on sale.  But there's a 3700.  higher number, I think is better?

But wikipedia says 3700 is only b/n/g (2.4GHz) and came out in October 2016…

2174 views
Better Security Awareness With Threat Intelligence

See how one of the leading financial services organizations uses Recorded Future as part of a holistic threat intelligence program to promote security awareness and proactively and efficiently identify threats.

What is the maximum distance of x in order to limit the slope change to less than .15 degrees?

543 views

Down here in NZ students have just recently sat a horrible algebra paper.  It appears that the examination authority didn't tell the teachers that changes were going to occur in the algebra exam so th…

48101 views

Hi,

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

Psedo code:
1. create new array of given difference of size
2. loop through given array
3. fill the new array with given…

2477 views

Hi,

I am working on below challenge
http://codingbat.com/prob/p183837

Psedo code:
1. create new array of given n size
2. loop through given array
3. fill the new array with given array
4. r…

870 views

I need your help to identify the song below:
https://soundcloud.com/viki2000/excerpt

It sounds so familiar from Youtube, but I cannot remember it.
It may be soundtrack or instrumnetal.

15104 views

I am doing a research for the subject medicine.

Do you have the encounter with this medicine?

Tell me your experience.

Or, just help me to look up medical information.

Thanks!

668 views

Dear experts,

I have included the Article (section or regulatory requirements) for calculating the CVA. This formula is provided by Basel and has been adopted by the EBA.

I need help in trying t…

253 views

I never expected this to be so difficult.

I need a database (in any form) listing the following:

Date
CountryAttacking
CountryAttacked
Location
War
NumberKilled
NumberWounded

I need thi…

770 views

Hi,
I am working on below challenge
http://codingbat.com/prob/p136594
I tried my code as below
(CODE)
I am getting below result
Expected      Run            
xyzThere("abcxyz") → true      true      OK         
xyzThere("…

153152 views
How to run any project with ease

Manage projects of all sizes how you want. Great for personal to-do lists, project milestones, team priorities and launch plans.
- Combine task lists, docs, spreadsheets, and chat in one
- View and edit from mobile/offline
- Cut down on emails

I miss a word. It is somewhere deep in my mind and I cannot take it out.
I need a brainstorming to help me to take it out and remember it.
To increase the confusion, I am not so sure if I will be ab…

23125 views

I need to look up telephone numbers of people living in the country Switzerland.
Is there a free WHITE PAGES that has this information online?
I tried searching and the results always seemed to be …

386 views

Hi All,

When our Outlook 2010 users log in they are greeted with a certificate error.



Any idea how I can get rid of it.  I'm comfortable deploying certificates via group policy (if that help…

774 views

How can i solve this equation method using the Gauss method?? I have no clue :S

x  -  y + 2z +   t = 0
       y -    z + 2t = 0
2x      + z         =  0


???

5337 views

Hi,
I am working on below challenge
http://codingbat.com/prob/p126880
I tried my code as below
(CODE)
I am getting below result
Expected      Run            
endOther("Hiabc", "abc") → true      false      X         
endO…

4101 views

Hi,

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

i worote as below
(CODE)

i am failig one test as below
Expected      Run            
in1To10(5, false) → true      true      OK         
in1To10(…

28192 views

Hi,
I am trying below challenge

http://codingbat.com/prob/p100962

I tried as  below
(CODE)

I am getting below error


Compile problems:


Error:      if(Integer.mod((n%11)==0))
               …

10145 views

Hello All,
I am wondering if anyone can recommend any online numerical aptitude test which could be used to help screen potential employees. I am looking for something where the actual math required …

197 views

Hello,  This question may be a long shout, yet allow me to ask for your ideas and calculations.  It's for a worthy cause, so i hope you will not object to the question.  It is for www.rockymountaincfc…

13122 views
IT, Stop Being Called Into Every Meeting

Highfive is so simple that setting up every meeting room takes just minutes and every employee will be able to start or join a call from any room with ease. Never be called into a meeting just to get it started again. This is how video conferencing should work!

hi there, I wonder if I can pick some clever brains on what i guess is a simple maths/physics problem.

I am considering to build a simple cantilever bed, such that the bed appears to be floating b…

4132 views

I am confused by the appropriate use of gender-specific object pronouns in English.  

I am writing an article and and am having trouble with this line:(CODE)What should go in the blank?  

I cann…

7125 views

A regularly occurring astronomical event and a fame for crossings link two of my favourite drinks -  
A New World cocktail and an Old World beer. One more sophisticated, one more foolish.

Posting…

26164 views

I want to count  the number of 15 digit serieses that have no exactly 2 adjacent zeros.
example for an allowed series( to be counted):
010101010101011
or
111111111111111
or
000000000000000
exam…

10301 views

I'm stuck on a sudoku puzzle - see picture - can someone explain some possible moves please? Note I don't just want "top left is 7" sort of answer, I'd like to understand a strategy for solving this p…

2170 views

I'm stuck on this sudoku - see picture.

Please can someone explain a strategy to make my next move?

7195 views
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