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Digits of year 2001 add up to 3, 2002 add up to 4 but this happens in 2011. Find all years when this addition is 4 or 5?

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Digits of year 2001 add up to 3, 2002 add up to 4 but this happens in 2011. Find all years when this addition is 4 or 5?
posted Jan 30, 2018 by anonymous

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1 Answer

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2101, 2110; 2003, 2030, 2300, 2012, 2021, 2102, 2120, 2201, 2210, 2111

answer Feb 3, 2018 by Yasin Hossain Siinan



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Can you find other pairs which have answers with digits reversed when added and multiplied?

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