RRB NTPC Cheat Sheet 2026

The 30 highest-yield RRB NTPC facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. The Indian Railways uses which gauge most extensively? → Broad Gauge
2. The ratio of two numbers is 3:5 and their sum is 64. The larger number is: → 40
3. Two supplementary angles are in the ratio 2:3. What is the measure of the larger angle? → 108°
4. Ohm's Law states that voltage (V) equals: → Current × Resistance
5. A man walks at 4 km/h. After walking for 3 hours, he increases his speed to 6 km/h and walks for 2 more hours. What is the total distance covered? → 24 km
6. Who wrote the famous book 'Arthashastra'? → Chanakya (Kautilya)
7. Photosynthesis in plants takes place in the: → Chloroplast
8. Mount Everest is located on the border between which two countries? → Nepal and China
9. If 5 + 3 = 28, 9 + 1 = 810, then 7 + 3 = ? → 410
10. Which is the deepest lake in India? → Manasbal Lake
11. The Headquarters of the United Nations is located in: → New York City
12. The powerhouse of the cell is the: → Mitochondria
13. A train travels 360 km in 4 hours. What is its speed in km/h? → 90
14. What does it mean to have a “bicameral legislature”? → The legislature is divided into two separate assemblies.
15. Which Article of the Indian Constitution gives the President the power to declare a National Emergency? → Article 352
16. Which Amendment to the Indian Constitution is known as the 'Mini Constitution'? → 42nd Amendment
17. How many railway zones does India have as of 2024? → 18
18. Under which Constitutional article can a citizen approach the Supreme Court directly for enforcement of Fundamental Rights? → Article 32
19. Which type of mirror is used in the headlights of vehicles? → Concave mirror
20. The process by which plants make food using sunlight is called: → Photosynthesis
21. Which organ in the human body produces insulin? → Pancreas
22. The 'Ring of Fire' is associated with which type of geographic phenomenon? → High volcanic and earthquake activity around the Pacific Ocean
23. The first metro rail in India was introduced in: → Kolkata
24. The 'Third Battle of Panipat' (1761) was fought between: → Marathas and Ahmad Shah Abdali
25. What does 'PDF' stand for? → Portable Document Format
26. Which vitamin is produced by the human body when exposed to sunlight? → Vitamin D
27. Which part of the eye controls the amount of light entering it? → Iris
28. Which vitamin is produced by the human body when exposed to sunlight? → Vitamin D
29. Which planet has the most moons in our solar system? → Saturn
30. The Preamble of the Indian Constitution describes India as: → Sovereign, Socialist, Secular, Democratic Republic