Posts Tagged ‘hard brain teaser’

Here’s a quick but hard brain teas­er to chal­lenge your abil­i­ty to find a pat­tern. In the table below, each row across fol­lows the same pat­tern. See if you can dis­cern the pat­tern and fill in the miss­ing num­ber in the bot­tom row. For added chal­lenge, time how long it takes you to com­plete the puz­zle. Then, pass it…