General Knowledge

Helen Keller Day is observed every year on June 27th in the United States to honor her birth on June 27, 1880. This is confirmed by multiple reliable sources including Wikipedia and official commemorations. Therefore, the correct answer is option C (27 June).

The Louvre Museum is a world-famous art museum located in Paris, France. It is renowned for its extensive collection of art and historical artifacts.

Delhi is located on the banks of the Yamuna River, which is a major tributary of the Ganges. The other rivers listed do not flow through Delhi.

Sirimavo Bandaranaike of Sri Lanka became the world's first female Prime Minister in 1960, preceding other notable female leaders such as Indira Gandhi and Golda Meir.

The Malacca Strait is a narrow stretch of water located between the Malay Peninsula and the island of Sumatra, making option D the correct answer. The other options either refer to different seas or islands not defining the strait's location.

The Asian Infrastructure Investment Bank (AIIB) is headquartered in Beijing, China. This is well-documented and widely known in international finance and development sectors.

The term of the President of the Asian Infrastructure Investment Bank (AIIB) is 5 years, as specified in the AIIB's Articles of Agreement. This term length is designed to provide stable leadership for the bank's development projects.

The Tharparkar Desert, also known as the Thar Desert, spans across multiple districts in the Sindh province of Pakistan, including Tharparkar, Umerkot, and parts of Sanghar. It is a large desert region that extends beyond a single district. Therefore, the most accurate answer is option D (All), as the desert is situated in all the mentioned districts.

The Rafah crossing is the only border crossing between Egypt and the Gaza Strip, making option C the correct answer. It serves as a key passage point for people and goods between these two areas.

Under the Nuclear Non-Proliferation Treaty (NPT), five countries are officially recognized as nuclear-weapon states: the United States, Russia, China, France, and the United Kingdom. This is the standard and widely accepted count.