what should be my accuracy in order to clear entrance exam??

Before starting preparation for SNAP you hav to know about paper format.
About SNAP Paper Format:-
Duration of Exam – 120 minutes
Date of Exam – Sometime in December, once a year
Negative marking – 25% of maximum marks of each question.
4 Sections in total. These Sections are:
Section 1 – Reading Comprehension, Verbal Ability, Verbal Reasoning – 40 marks
Section 2 – Quantitative Aptitude – 40 marks
Section 3 – General Knowledge – 40 marks
Section 4 – Logical Reasoning – 60 marks
The result is given in percentile and depending on that, you may clear the cut off for various colleges under SNAP.