Draw the letter J in your mind.
Now draw the letter D. Turn it 90 degrees to the left and put it in top of the J.
What does this shape resemble? [Read more…] about Quick brain teasers to exercise your working memory
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 remaining summer vacation in the library that should be enough to finish the thesis. To spice up the summer, [Read more…] about Brain teaser: Will you finish your thesis on time?
Here you have a quick brain teaser…which number should be placed in the empty triangle to the right?
This puzzle works your executive functions in your frontal lobes by using your pattern recognition, hypothesis testing, and logic.
Warning: There can be more than one solution…but make sure whatever you say works in all four triangles!
The Empty Triangle
Let us know how you do! [Read more…] about Brain Teaser for pattern recognition: The Empty Triangle
Google’s infamous brain-teaser interview questions don’t predict performance (Business Insider):
“Google built a reputation for asking brain-teaser questions like “How many haircuts do you think happen in America every year?” They’re supposed to test, in theory, how you tackle a big problem analytically [Read more…] about Brain teaser: How many haircuts do you think happen in America every year?
You have been invited to an important fundraising gala at your old college and decided that this black-tie event demands a short collar super white Italian shirt, like the one you bought years ago for your wedding. When you bravely tried the wedding shirt on (size 16), your wife noted that the collar suffocates you and you need about 1/4″ more space everywhere in-between your neck and the collar all around your neck. What size shirt do you need to buy? In case you don’t know the shirt size 16 means that a tape wrapped around your neck and two fingers positioned flat upfront will measure 16 inches.
You are spending the summer polishing your thesis in the university library. 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. It is summer and nothing is wrong with some leisure. You carefully calculate that even if you spend half of the remaining summer vacation in the library it should be enough to finish the thesis. You decide to spice up your summer by [Read more…] about Math Brain Teaser: Unfinished Thesis