HOW MANY ADMIT cards?

I have 3 exams on 13th

3 3 baar lena padega kya admit card ki 1 is enough?

Bc kuch clarify karte nahi ye NTA wale

Also in instructions it's written no pen

Are bc to kya pencil se rough work karunga? Kab toot jaye kya pata

And what denomination of money is allowed? Because I have to go back to home on my own