Bankersadda is the best website for banking preparation they regularly posted study material
Adda provide quizzes on GK, Aptitude, Reasoning, English, Computer sections .
It has lots-of study material and also it provide mock test according to the future exams
They also provide study packages and video courses
On this site they post latest vacancy advertisements and links
We can also access Our results through the link they provide
As per study purpose is concern, This is an ultimate site and app also