Every NUST NET chapter as a printable practice set, written by Mega Lecture:

Maths: 11 sets from numbers and functions to vectors
Physics: 8 sets from measurement to modern physics
English: vocabulary, sentence completion, grammar and comprehension

Each set has the questions first, then the answer key with a one-line explanation for every question, so you learn from the ones you miss. 618 questions in all, in one zip with a README index.

The same questions can be practised free, marked instantly, at quiz.megalecture.com. The pack is for offline practice and printing; personal study only.