Exam Papers [2013] International Math Olympiad also called IMO is conducted by SOF . Generally they have a first level qualifier; which allows students to write the second level IMO. This second level Previous Question Papers for VIII (Question Papers) standard might be useful. [2013] International Science Olympiad also called NSO is conducted by SOF . Generally they have a first level qualifier; which allows students to write the second level IMO. This second level Previous Question Papers for VIII (Question Papers) standard might be useful.