The test center's complete address and code will be given in the admit card that you hold.

Reference :

1. Click here for full information about the admit card
2. Click here for Image of a dummy admit card

Not necessary....staedtler pencils are usually recommended because they are of good quality....u can use others brands as well.atb!

The test center's complete address and code will be given in the admit card that you hold.

Reference :

1. Click here for full information about the admit card
2. Click here for Image of a dummy admit card

The test center's complete address and code will be given in the admit card that you hold.

Reference :

1. Click here for full information about the admit card
2. Click here for Image of a dummy admit card

Yes i'm guessing so, because limited time is just 1.5 hrs for maths and aptitude i.e 60 questions i don't think maths is not gonna be much tougher for this limited time.

According to NATA 2018 brochure, (page 6, point 5)

Candidates may come from the following backgrounds: (a) 10+2 or equivalent passed/appearing; (b) 10+3 Diploma (any stream) passed/appearing recognized by Central/State Govts; (c) International Baccalaureate Diploma passed/appearing, after 10 years of Schooling.

Even on being from arts stream you can write NATA provided you have Math and English as compulsory subjects.