Brain Teaser: What shirt size you need now?

By Maria Lando | May 22, 2020

You have been invit­ed to a fundrais­ing gala and decide that this black-tie event demands an ele­gant white Ital­ian shirt — just like the one you got years ago for your wed­ding. When you find and brave­ly try the wed­ding shirt (size 16) on, you and your wife notice that the col­lar suf­fo­cates you —…

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Brain teaser: Will you finish your thesis on time?

By Maria Lando | February 6, 2020

Imag­ine spend­ing the sum­mer pol­ish­ing your PhD the­sis in the library. Every day you take the sub­way, a train going up North to the uni­ver­si­ty. One day you real­ize that the trains going South can bring you to the beach. Noth­ing is wrong with some leisure. You cal­cu­late that if you spend half of the…

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Math Brain Teaser: Unfinished Thesis

By Maria Lando | November 4, 2011

Now, test your brain with this math brain teas­er. Every day you take the esca­la­tor into the sub­way, turn right and catch a train going up North to the uni­ver­si­ty. One day you real­ize that the trains on your left going in the oppo­site direc­tion can bring you to the beach. 

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