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Q: International Pi (π) day is observed on which date?

A. 2013-03-01 00:00:00
B. 2012-03-01 00:00:00
C. 2014-03-01 00:00:00
D. 2015-03-01 00:00:00
Answer» D. 2015-03-01 00:00:00


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