General Knowledge

Astola Island is located in the Arabian Sea off the coast of Balochistan, Pakistan. It is Pakistan's largest offshore island and is part of the Balochistan province.

Chennai is the new name of Madras, the former name of the capital city of Tamil Nadu, India. The name was officially changed in 1996 to better reflect the local Tamil heritage.

The quote “Computers are useless. They can only give you answers.” is attributed to Pablo Picasso, reflecting his perspective on creativity versus mechanical computation.

The official name of the Chinese parliament is the National People's Congress, which is the highest organ of state power in China.

The Office of Strategic Services (OSS) was the wartime intelligence agency of the United States during World War II and is considered the predecessor of the Central Intelligence Agency (CIA).

Elon Musk became the world's richest person in 2021, surpassing Jeff Bezos due to the rise in Tesla's stock price and his other business ventures.

Chile is a tricontinental country because it has territories in South America (mainland Chile), Oceania (Easter Island), and Antarctica (Chilean Antarctic Territory). The other countries listed do not have territories spanning three continents.

India has the world's largest written constitution by length and detail, making option D correct. The Indian Constitution is known for its comprehensive nature compared to other countries.

China is a unitary state where the central government holds the primary authority. Pakistan and India are federal states with powers divided between central and provincial/state governments. Therefore, the correct answer is China.

Crushed stones, known as ballast, primarily hold the wooden cross ties (sleepers) in place, which in turn keep the rails stable and properly aligned. While they also help with drainage and prevent vegetation growth, their main function is to maintain track stability.