It depends on the course,in which you are going to give entrance.

Maximum students gives entrance for BHU bsc.maths . This university also take entrance for bsc.biology,bcom,ba.

In BHU  entrance there are 150 questions each of 3 marks(total=450). The students who scores 300+ can easily take admission in this entrance.There is also negative marking in this entrance of 1 mark.

There is also some relaxation for quote students.