http://www.naviom.com/education/national-informatics-olympiad-2009-2010/ National Informatics Olympiad First Stage ExamInstructions to candidatesThe duration of the examination is 3 hours.Calculators, log tables and other aids are not permitted.The question paper carries 80 marks, broken up into four questions of 20 marks e... Mon, 12 Oct 2009 10:32:41 IST en