u/aalu_kaachalu_

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So i am a 27 tard dropper and i am trying my best studying 12 13 hrs a day but my speed is very less like i cant do much work in that time which others can do only in 6 7 hours so how do i increase my speed i am not talking about problem solving speed but general speed like revising faster understanding better what are some tips that would save me hours

seniors plz guide