General Knowledge

The countries surrounding the Caspian Sea are Turkmenistan, Azerbaijan, Russia, Iran, and Kazakhstan. Lebanon and Maldives do not border the Caspian Sea, and 'None of these' is incorrect since Kazakhstan is a correct option.

The Group of 77 (G77) was originally established in 1964 by 77 developing countries. Over time, its membership has expanded to include 134 countries as of the latest verified information. Despite the increase in membership, the original name 'Group of 77' has been retained for historic reasons. Therefore, the correct number of countries in the G77 coalition is 134, making option A the correct answer.

The book "Death in the Castle" was not written by Jonathan Swift, Bertrand Russell, or Pearl S. Buck. Therefore, the correct answer is "None of these."

George Hancock is credited with inventing softball in 1887 as an indoor version of baseball. He organized the first game and developed the initial rules, making him the recognized inventor of the sport.

The Dead Sea is known as the saltiest sea in the world, with salinity levels around 34%, much higher than the Black Sea, Mediterranean Sea, or Red Sea. This high salt concentration makes it unique and supports the correct answer.

The Makli Graveyard in Pakistan is one of the largest necropolises in the world and contains tombs of Sufi saints, kings, queens, scholars, and philosophers, making 'All of the above' the correct answer.

The G5 group of emerging economies consists of Brazil, South Africa, China, India, and Mexico. This grouping is recognized as the five major emerging economies invited to participate in G8+5 summits and international dialogues. Mexico is the correct fifth member, making option A correct. This is confirmed by multiple authoritative sources including Wikipedia and international economic analyses.

Authoritative sources including Encyclopaedia Britannica and Wikipedia confirm that the Suez Canal is approximately 193.3 kilometers (120.1 miles) long. The canal extends from Port Said in the north to Suez in the south. Therefore, the correct answer is option B: 193 Km.

Blue Origin was founded by Jeff Bezos in 2000 as a private aerospace manufacturer and sub-orbital spaceflight services company.

Michael H. Hart is the author of the book "The 100: A Ranking of the Most Influential Persons in History," which is often referred to as a list of the most influential people in the world. The other options are not associated with this work.