Some 12 more baby cobras were killed at Kazirhat Bazar in Kalaroa upazila of Satkhira on Thursday night.
The venomous snakes were found at a fast food shop in Kazirhat Bazar around 9:30pm Thursday.
Nizam Ali, owner of the shop, said he found a cobra inside a carton of biscuits and then 11 more came out one after another from different corners of the shop.
Later, Nizam along with his customers beat all of them to death.
With this, some 365 cobras were killed in separate incidents in three districts – Satkhira, Rajshahi and Natore.
Besides, at least 70 baby cobras were caught alive at a house of Chuniapara village in Khoksha upazila of Kushtia.
Meanwhile, at least 92 cobras have been discovered in Satkhira in a week.