NTPC RRB Online Free Mock Test Papers complete preparation of General Awareness & Quantitative Aptitude for Railway NTPC (Non Technical Popular Categories) in Hindi & English. General Awareness & Quantitative Aptitude is the most important part of the RRB NTPC Exam. In RRB NTPC Exams ask 40 Questions of General Awareness from 100. So this app is very useful for the preparation of General Awareness & Quantitative Aptitude RRB NTPC Exam.