PATTERN: 100 questions, 90 minutes, 100 marks
NEGATIVE: -1/3 per wrong answer

SECTIONS:
  Mathematics: 30 questions
  General Intelligence and Reasoning: 30 questions
  General Awareness: 40 questions

MATHEMATICS TOPICS:
  Number system, HCF/LCM, decimal/fraction
  Ratio, proportion, percentage
  Mensuration (area, perimeter, volume)
  Time/work/speed, SI/CI
  Profit/loss, discount
  Elementary algebra, geometry, trigonometry
  Statistics (mean, median, mode)

REASONING TOPICS:
  Analogies, coding-decoding, letter/number series
  Blood relations, directions
  Syllogism, Venn diagrams
  Seating arrangement, data sufficiency
  Visual (embedded figures, completion)

GENERAL AWARENESS:
  Current events: national and international (6 months)
  Science: physics, chemistry, biology (10th level)
  History, geography, polity, economy (basic)
  Indian railways: history, zones, passenger amenities
  Computer and IT basics

GROUP B POSTS (CBT 1 + CBT 2):
  Station Master: Rs.29,200/- | Traffic Assistant: Rs.25,500/-
  Goods Guard: Rs.29,200/- | Commercial Apprentice: Rs.29,200/-
  Junior Account Assistant cum Typist: Rs.25,500/-

GROUP C POSTS (CBT 1 + CBT 2 + Typing):
  Junior Clerk cum Typist: Rs.19,900/-
  Accounts Clerk cum Typist: Rs.19,900/-
  Junior Time Keeper: Rs.19,900/-
  Commercial cum Ticket Clerk: Rs.21,700/-

PERKS: Free railway pass (self + family) | Subsidised canteen | Housing
  Medical facilities | Pension | Job security | Leave benefits

RRB NTPC: largest railway recruitment | vacancies 35,000-50,000 per cycle
STRATEGY: GK = highest weightage in CBT1 (40 marks) — focus here
RAILWAY GK: always have 5-10 special railway questions — study separately

CUTOFF: varies widely by post and category
  Station Master (popular): 80-90/100 in CBT1 for general
  Typist posts: lower cutoff due to typing requirement reducing competition

BOOKS: Lucent GK | Arihant RRB NTPC | Previous year papers (2016, 2019, 2021)