The young Blue Hole (YBH) which was discovered in South China Sea has the depth of ______m?

What is Ivy Mike ?A. First test of hydrogen bomb of United States
B. First test of hydrogen bomb of United Kingdom
C. First test of hydrogen bomb of Soviet Union
D. First test of hydrogen bomb of France

on Nov. 1, 1952 — the U.S. detonated the first hydrogen bomb, resulting in the first successful full-scale thermonuclear weapon explosion.

Which kind of alcohol is russia notoriously known for?

A. Brandi
B. Whisky
C. Vodka
D. Rum

What is the common factor found in the four U.S. presidents: Abraham Lincoln , James A. Garfield , William McKinley , and John F. Kennedy ?

A. Reformed U.S. Army
B. Had blood relation
C. Action against slavery
D. All four were assassinated 

The Makli graveyard is houses tombs of __________?

A. Sufi saints
B. kings, queens
C. scholars and philosophers
D. All of the above

________________ the smallest among the coastal nations of the world?

A. Monaco
B. Bosnia and Herzegovina
C. Jordan
D. Nauru

_______ is called “Pearl of Antilles”?

A. Cuba
B. Iraq
C. Qatar
D. None