Maths Olympiad Prep

Library / /325 of 413

, 2011

Number theory Difficulty 2.0 Junior Find the answer Canada

March 3, 2009 or 3/3/09 was called a "square root day" because the day and the month are both the square root of the last two digits of the year. The number of square root days between January 1, 2012 and December 31, 2099 is

(A) 22 (B) 33 (C) 44 (D) 55 (E) 66

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