RRB Group D 2026 — Most Important Topics
Chapter-wise weightage · 30-day study plan · Subject-by-subject priority for 22,195 vacancies
Stage 1 Exam — 100 Questions in 90 Minutes
30Q
Reasoning
25Q
Science
25Q
Mathematics
20Q
GK
Negative marking: −⅓ per wrong answer · Cut-off typically 77–90 marks (category wise)
General Science — 25 Questions
25QClass 10 NCERT level. Most feared section — 82 questions available in our bank.
Newton's laws, uniform motion, acceleration formulas always appear.
KE = ½mv², work-energy theorem. Numerical questions common.
Mirror formula, refraction, reflection laws — very scoring.
Ohm's Law, series vs parallel circuits, Fleming's rule.
pH scale, neutralisation, common acids/bases — repeat topic every year.
Reactivity series, properties of metals — easy 2 marks.
IUPAC names, functional groups — only basics tested.
Cell organelles, photosynthesis, respiration.
High frequency: Vitamin A→Night blindness, B→Beriberi, C→Scurvy, D→Rickets.
Bacterial vs viral diseases, vectors (mosquito, etc.).
Mathematics — 25 Questions
25Q25 questions from Class 10 level. Calculation-heavy — practice speed.
Base value calculations, percentage change. Always in top 3.
CP/SP/Discount formula. Direct application — easy marks.
LCM/HCF, divisibility rules, remainders. Very high frequency.
Formula-based. Once formula is known, always 2 sure marks.
Efficiency method. Group D repeats this every cycle.
Train problems and average speed — appear regularly.
Direct, inverse proportion. Mixture & alligation sometimes.
Circle, triangle areas, volume of cylinder/cone. Formulae are enough.
Linear equations, algebraic identities (a+b)². Do not skip.
General Intelligence & Reasoning — 30 Questions
30QHighest marks section (30Q). Fastest to improve with practice.
Word analogies + number analogies. Pure logic — 0 formula needed.
Pattern recognition. Practice 10 series daily — fastest improvement.
Letter shift, substitution codes. Learn the 3 common patterns.
Venn diagram method. All/Some/No — 6 cases to memorize.
Mirror image, paper folding, embedded figures — pure visual logic.
Draw the family tree. Never solve in head.
Always draw on paper. Distance from start point formula.
Logical deduction. Follow only what is stated.
Substitution-based. BODMAS after substitution.
General Awareness & Current Affairs — 20 Questions
20Q20 questions — GK is the easiest scoring section if revised properly.
Inventions, scientists, SI units, space missions. Evergreen — appears always.
Rivers, passes, national parks, capitals. India map questions high frequency.
Freedom struggle events, 1857 revolt, Dandi March, Quit India. Easy 2 marks.
Articles, amendments, Fundamental Rights, DPSP basics.
Sports awards, govt schemes, RBI/finance news, summits.
Padma awards, national symbols, Bharat Ratna recipients.
GDP, inflation, banking terms — only basics asked.
30-Day Study Plan — August 2026
- Complete Science NCERT Ch 8–16 (Physics)
- Maths: Percentage, Profit & Loss, Number System
- Reasoning: Analogy + Series (20 questions/day)
- GK: Geography + History revision
- Science: Chemistry + Biology
- Maths: SI/CI, Time & Work, TSD
- Reasoning: Coding-Decoding + Non-Verbal
- GK: Polity + Current Affairs (last 3 months)
- 1 full mock test daily (100Q, 90 min)
- Revise weak topics from mock analysis
- Science: Most important topics speed drill
- GK: Last 3 months current affairs intensive
Frequently Asked Questions
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Test Yourself — Free Group D Mock
100Q · 90 min · All 4 sections. No signup needed.