Hi Aspirant

This exam is different for different classes . In JNV ,students get admission in class 6th ,9th and 11th.

There is no specific minimum marks limit. To get admission in jnv every student has to go through the entrance test of navodaya smiti. The students who  clear that test only that students get admission.

The test contains language test, mathematics aptitude and mental ability test.

There is no such relation with regular school marks you get.  JN V (Jawahar Navodaya Vidyalaya) admissions are based on their own entrance test which is based on Aptitude and logical reason type questions. There are multiple choice questions so you have options to select the answer. There is no negative marking.

In every district they choose the top 80 students for which they have seats vacant.

Hope you got your answer!