Railway GK Questions 2026

Ibrahim Lodi came to the throne of Delhi in 1517 after the death of his father Sikandar Lodi. He was the third and last ruler of the Lodi dynasty, which was the final dynasty of the Delhi Sultanate.

Dzongkha is the national and official language of Bhutan, and it is written in the Tibetan script. The name itself means the language of the dzong, the fortress-monasteries from which Bhutan was governed.

Radiation carries heat as electromagnetic waves, so it needs no material medium and can travel through a vacuum. This is how the heat of the Sun crosses empty space to reach the Earth, and why you feel warmth in front of a fire without touching it.

Ethyl alcohol, or ethanol, dissolves resins, gums, dyes and oils and also evaporates quickly, so paints, varnishes and polishes made with it dry fast; this makes it the common solvent of the paint industry.

Ampere-turns per metre, written AT/m, is the unit of magnetic field strength, because H is the magnetomotive force set up per unit length of the magnetic path.

An electronic spreadsheet such as Microsoft Excel or LibreOffice Calc can filter, merge and sort data, so all three belong to its work and no single one of them is the answer.

Flipkart, Alibaba and Amazon run online marketplaces whose storefronts sell goods to individual shoppers, and a business selling to a consumer is business-to-consumer, or B2C. In this model a firm lists its products on a website or an app, the customer orders and pays online, and the goods reach the…

India's first cotton mill was set up in 1818 at Fort Gloster near Calcutta, at Bauria in present-day Howrah district, so Kolkata holds the first place in the story of the Indian cotton industry.

Iodine is the non-metal in the antiseptic painted on cuts and wounds, sold as tincture of iodine, which is a solution of iodine in alcohol.

All three are mixtures: wood is made of cellulose, lignin, water and resins, air is a mixture of nitrogen, oxygen and other gases, and sand is mostly silica mixed with mineral and shell grains.

Quick lime is calcium oxide, CaO, and not calcium carbonate, so it is the odd one out. Limestone, chalk and marble are all natural forms of calcium carbonate, CaCO3, differing only in how they were formed and in how hard they are.

Distilled water has had its dissolved salts removed, so it holds almost no free ions to carry charge and does not conduct electricity.

Time period is the time taken for one full oscillation, so it is the total time divided by the number of oscillations: 64 divided by 40 gives 1.6 seconds.

Insolation is the incoming solar radiation actually received by a unit area of the earth's surface, and how much of it a place receives decides how warm that place becomes.

The LPG supplied in household cylinders is mainly a mixture of butane and propane, two gases that turn liquid under moderate pressure.

Only at -40 do the two scales read alike, so -40 °C and -40 °F are the very same temperature.

The Shivir was conducted in hybrid mode, anchored from the national capital and held physically at participating locations, and more than 3,800 urban local bodies, rural local bodies and line departments took part in it.

A senior official of this ministry gave out the attendance and service figures for the Shivir and named the states whose municipal corporations organised health camps, namely Meghalaya, Maharashtra, Uttar Pradesh, Telangana, Kerala and Bihar.

Every other option is a real figure from the same Shivir attached to the wrong service, which is exactly how such a question is set.

SAMAR-SETU runs from the Central Agniveer Pay and Accounts Office and handles the pay accounts of more than 2.3 lakh Agniveers through fully automated processes, which is why work on it figured in the Raksha Mantri Awards for Excellence 2026.