mersenneforum.org

mersenneforum.org (https://www.mersenneforum.org/index.php)
-   Puzzles (https://www.mersenneforum.org/forumdisplay.php?f=18)
-   -   Latteral thinking puzzle (https://www.mersenneforum.org/showthread.php?t=2920)

Uncwilly 2004-08-17 15:02

Latteral thinking puzzle
 
Complete this finite series.

5, 1 , 2, 5 , 7,...

Spoilerise the important parts of your answers.

Uncwilly 2004-08-20 05:18

No takers? I will reveal the next element in the series.

Uncwilly 2004-08-21 23:19

Next element is : 3

again this is a finite series. This is a lateral thinking problem, so you can never solve it with math (although math can help).

Uncwilly 2004-08-23 13:16

There are [spoiler]12[/spoiler] elements in this series.

Uncwilly 2004-08-24 14:27

Obviously nobody is interested......

So here is the answer:
[spoiler]Numeric representation of the day of the week for the first day of the month for this year.[/spoiler]

biwema 2004-09-01 14:38

I use a shifted version of that sequence to quickly calculate the day of the wee for any day.
1, 4, 4, 0, 2, 5, 0, 3, 6, 1, 4, 6
is easy to remember
144, 025, 036, 146

Add the number of the day in the month and also 2 for 2003, 4 for 2004, 5 for 2005, 6 for 2006, 0 for 2007

calculate the result mod 7, then convert

0 for saturday, 1 for sunday, 2 for monday...


All times are UTC. The time now is 05:25.

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2022, Jelsoft Enterprises Ltd.