Find out how smart you are (and increase your IQ ... questions are designed to be very difficult. If you cannot figure out the answer, simply select I don't know and move on. After finishing this ...
The world's shortest IQ test will grill people with just three math questions, and only 17 per cent have managed to answer all correctly. Called the Cognitive Reflection Test, the set of questions ...
"He could probably think of a dozen answers to one question." Either way, the time for talking may soon be over - Mensa has offered to test both Mr Trump and Mr Tillerson's IQ.