So; did that really old guy die in the flood?
An answerless question.
Why isn’t GOD more precise?
https://www.chabad.org/search/keyword_cdo/kid/8327/jewish/Methuselah.htm
…Son of Enoch and grandfather of Noah; a wise and righteous man. He died at age 969 (the longest recorded lifespan in the scriptures), seven days before the Flood...