Bare Minimum Marks required for Midsems per subject?

Like whats the least amount of marks i need out of 30 to pass?

Guys i am freshie who just procrastinated away, and just now realised that its Thursday and I only have 4 days left. Please suggest some good yt channels which can explain everything quickly aswell for the physics (non cs) cycle. Seniors please help this freshie out!!🙏