3. From the birth of Methuselah to the death of Noah was 187 years + 182 years + 950 years = 1319 years. As Noah died 350 years after the Flood, from the birth of Methuselah to the end of the Flood was 1319 years - 350 years = 969 years. If he lived 969 years, he lived until the end of the Flood.
As Methuselah was not one of the eight persons that went into the ark, where was he during the Flood?
According to the Septuagint Genesis, the Flood occurred fourteen years before the death of Methuselah.
4.
“Of every living thing of all flesh, two of every sort shalt thou bring into the ark, to keep them alive with thee; they shall be male and female. Of fowls after their kind, and of cattle after their kind, of every creeping thing of the earth after his kind; two of every sort shall come unto thee” (Gen. vi, 19, 20).
“Of every clean beast thou shalt take to thee by sevens, the male and his female: and of beasts that are not clean by two, the male and his female. Of fowls also of the air by sevens, the male and the female” (vii, 2, 3).
Referring to the above, the celebrated Jewish commentator, Dr. Kalisch, says: “Noah was commanded to take into the ark seven pairs of all clean, and one pair of all unclean, animals, whereas he had before been ordered to take one pair of every species, no distinction whatever between clean and unclean animals having been made.... We do not hesitate to acknowledge here the manifest contradiction.”