This is a nice, not too easy logic puzzle. The average person gets about 3-4 of them right, so don't worry if you can't solve 'em all: http://allthetests.com/quiz11/quizpu.php?testid=1104985569&katname=Think and Memory Tests Paper & pencil allowed. P.S.: The "who is taller question" cannot be solved. So I'll change it to "why can't it be solved?" ;-)
I attempted only 6 out of the 10 questions ran out of patience to do the remaining Here's what I got: