Brain Teasers Optical Illusions Puzzle Hunts Codes & Ciphers Mechanical Puzzles
Personal Links
Browse Teasers
Search Teasers

4, 12, 84, ...

Series teasers are where you try to complete the sequence of a series of letters, numbers or objects.

 

Puzzle ID:#8153
Fun:*** (2.22)
Difficulty:**** (3.11)
Category:Series
Submitted By:bluelightnign***
Corrected By:MarcM1098

 

 

 



What is the next number in this series?

4, 12, 84, 3612....





What Next?

  
  

See another brain teaser just like this one...

Or, just get a random brain teaser

If you become a registered user you can vote on this brain teaser, keep track of
which ones you have seen, and even make your own.

 



Comments

stm8r1us*
Nov 14, 2002

Ouch. Good one!
cnmne*us*
Mar 20, 2004

Another formula: y = x * ((x/2) + 1).
Gerrard10Aus*
Jan 09, 2008

pretty hard!!!!!
javaguru*us*
Mar 08, 2009

I did it like cnmne. Not really that hard, don't know why this is rated so difficult.

Back to Top
   


Online Now
4 users and 586 guests

Users In Chat
kzmonopoly
Follow Braingle!
Tap into all 20,000+ of our brain teasers, riddles and puzzles on your iPhone or iPad.

Braingle in the iTunes App Store
Copyright © 1999-2017 | FAQ | Widgets | Links | Green | Subscribe | Contact | Privacy | Conditions | Advertise | Braingle Time: 7:26 pm
Sign In Create a free account