iq test following short quiz consists 4 questions tell whether qualified professional scroll answer questions difficult take long 1 put giraffe refrigerator correct answer open refrigerator put giraffe close door question tests whether tend simple things overly complicated way 2 put elephant refrigerator wrong answer open refrigerator put elephant close refrigerator correct answer open refrigerator take giraffe put elephant close door tests ability think repercussions previous actions 3 lion king hosting animal conference animals attend except one animal attend correct answer elephant elephant refrigerator tests memory ok even answer first three questions correctly still one chance show true abilities 4 river must cross inhabited crocodiles manage correct answer swim across crocodiles attending animal meeting tests whether learn quickly mistakes according anderson consulting worldwide around 90 professionals tested got questions wrong many preschoolers got several correct answers anderson consulting says conclusively disproves theory professionals brains four year old send frustrate smart friends