It's difficult to predict as the cutoffs vary every year depending upon various factors like number of students appearing for the exam, difficulty of paper set, etc.  

You can refer to previous years cutoffs of JEE Mains for GENERAL CATEGORY. 

For 2018 the cutoff was 74 on 360.

For 2017 the cutoff was 81 on 360.

For 2016 the cutoff was 100 on 360.

For 2015 the cutoff was 105 on 360.

For 2014 the cutoff was 115 on 360.

For 2013 the cutoff was 113 on 360.

If you still have any queries feel free to ask in the comment section down below.