<prompt> Which is the most common site for berry aneurysm in circle of willis is seen at bifurcation betweenAnterior communicating artery and anterior cerebral arteryBasilar artery and posterior cerebral arteryInternal carotid artery and posterior communicating arteryAnterior cerebral and middle cerebral artery  <response>: Ans. is a i.e., Anterior communicating artery and anterior cerebral artery AZX 