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Mikvah Math for the Sea of Shlomo
In calculating the number of Mikvas that the "Sea of Shlomo" could hold, the Gemara (Eruvin 14b) calculates that it would hold 150. The Gemara asks, that being that the Sea was round, and the ...
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Pidyon HaBen rate
About how many pidyon haben ceremonies are required to be performed per 1000 Jewish births in the past few decades?
The requirements for a pidyon haben are:
Both parents are Israel, not Kohen or ...
