World Facts and Geography

The Dutch flag is a tricolor of three horizontal stripes in the specific order: red (top), white (middle), and dark blue (bottom). Belgium's stripes are vertical, Portugal's flag has a more complex design, and Denmark's flag is a Scandinavian cross.

Libya historically had a completely green plain flag from 1977 to 2011 (under Gaddafi), being the only national flag that was a single color with no designs, symbols, or other details. This question likely references that era.

Monaco has the world's highest population density at approximately 26,000 people per square kilometer. As a tiny city-state covering just 2 km², its urban concentration far exceeds larger countries like Bangladesh.

Persian (Farsi) is primarily spoken in Afghanistan (B) as Dari, which is a standardized variety of Persian. While Iran has the largest Persian-speaking population, Afghanistan's official language is Dari-Persian. Turkey (A) speaks Turkish, Arab (C) is not a country but a region where Arabic predominates, and UAE (D) speaks Arabic. The question asks where Persian is 'spoken' not which country has the most speakers.

Cantonese is a Chinese dialect spoken primarily in Guangdong province, Hong Kong, Macau, and overseas Chinese communities. It is one of the major Chinese language groups alongside Mandarin.

The IAI Heron II is manufactured by Israel Aerospace Industries (IAI), an Israeli defense company. The Heron series of UAVs are Israeli reconnaissance and surveillance drones used by various countries including India.

Adolf Hitler was born in Braunau am Inn, a town in Austria-Hungary (present-day Austria). Though he later rose to power in Germany, he was Austrian by birth.

India has the highest number of post offices in the world with over 150,000 post offices serving both urban and rural areas. The extensive postal network is part of India's communication infrastructure since British times. China, USSR, and Brazil have fewer post offices.

The correct answer is indeed India. Kalaripayattu, considered one of the oldest martial arts, originated in Kerala, India around 3rd century BCE. Many historians trace martial arts origins to ancient India, from where they spread to China and other parts of Asia.

Harvard University is located in Cambridge, Massachusetts, USA, making option B correct. It is one of the most prestigious universities in the United States, not in UK, Japan, or China.

Osaka University is located in Osaka, Japan, making option C correct. It is one of Japan's national universities and a major research institution, not in Hong Kong, South Korea, or China.

Oxford University is located in Oxford, England, UK, making option A correct. It is the oldest university in the English-speaking world, not in USA, China, or a generic "Europe" option.

The University of New South Wales (UNSW) is located in Sydney, Australia, making option D correct. It is a major Australian university, not in Canada, UK, or USA.

The University of Toronto is located in Toronto, Canada, making option B correct. It is Canada's largest university and a top-ranked institution, not in Japan, USA, or UK.

Anna University is a premier technical university located in Chennai, India. It is one of the most reputed engineering institutions in the country. The other options are incorrect countries.