RRB Group D GK Questions 2026

Platinum is the least reactive of the four, so it is found in nature in the free or native state as the metal itself.

M. C. Mary Kom was born in Kangathei village of Churachandpur district in Manipur. Mary Kom is the only woman boxer to have won six world championship titles, and she is nicknamed Magnificent Mary.

Melting and boiling only have to break the weak forces between the molecules, not the strong bonds inside them, so little heat is needed.

By the work-energy theorem the work done equals the change in kinetic energy, which is half of 1.0 into 8 squared minus 4 squared, that is 0.5 × (64 - 16) = 24 joule.

Solder is an alloy of lead and tin, usually in nearly equal parts. An alloy is a mixture of a metal with one or more other elements, made to gain a property the pure metal lacks.

The Bansagar Dam stands on the Sone river in the Shahdol region of Madhya Pradesh. Bansagar is a joint project of Madhya Pradesh, Uttar Pradesh and Bihar, the three states through which the Sone flows, and it serves both irrigation and power.

A tsunami is caused by an undersea earthquake, a volcanic eruption or a landslide on the ocean floor, and has nothing to do with the ozone layer.

Bal Gangadhar Tilak started Kesari in 1881 and used it to carry the message of swaraj to Marathi readers. Tilak brought out two papers from Pune in the same year, Kesari in Marathi and Maratha in English.

The World Bank has its headquarters at Washington DC in the United States of America. The World Bank and the International Monetary Fund were both set up after the Bretton Woods conference of 1944 and began work in 1945, and both have their offices in Washington DC.

The zygote divides as it travels down the fallopian tube and the resulting ball of cells gets implanted in the thick lining of the uterus.

Consumer theory studies how a household decides to spend its money among the goods and services available to it. The idea rests on three things: the wants of the consumer, the prices of goods, and the income in hand, which is the budget constraint.

Humayun's Tomb in Delhi is one of the earliest and finest examples of Mughal architecture. The tomb was built in 1570 on the orders of Humayun's widow Bega Begum, also called Haji Begum, and the architect was Mirak Mirza Ghiyas of Persia.

Subordinate courts are the courts at the district level and below, and they hear civil and criminal cases as courts of first instance.

One kilowatt hour is 3.6 × 10⁶ joule, so 5.5 kWh = 5.5 × 3.6 × 10⁶ = 19.8 × 10⁶ joule.

Potential difference is defined as the work done for each unit of charge carried between two points, so V = W/Q and therefore W = QV.

Potential difference between two points of a circuit is the difference in electric potential between them, and it equals the work done in moving a unit positive charge from one point to the other.

A rise of 27°C is a rise of 27 K, because one degree Celsius and one kelvin are exactly the same size.

The action plan for the day envisages the Samvad in exactly these terms, so that awareness about hygiene and sustainable waste management spreads through conversation.

The abbreviation expands to the Indian Council of Agricultural Research - Central Institute for Research on Buffaloes, and the institute works under the Ministry of Agriculture and Farmers Welfare.

The theme joins two ideas, participation in cleanliness and the goal of a developed India, and every activity held under the campaign is expected to reflect it.