General Knowledge

Washington DC was formed from land donated by the states of Maryland and Virginia, which provided territory on both sides of the Potomac River for the nation's capital.

Abbottabad is famously known as the “City of Maple Trees” due to the abundance of maple trees in the area, which is a distinctive feature of this city in Pakistan.

10 Downing Street is the official residence and executive office of the British Prime Minister, making option C correct.

The Pitcher plant is a carnivorous plant that traps insects by having a specialized leaf structure that acts like a pitfall trap. When an insect lands on the lid or rim, it can slip into the pitcher where it is digested. The other plants listed do not have this mechanism.

"Fire and Fury: Inside the Trump White House" is a book written by Michael Wolff, providing an insider's account of the Trump administration. The other authors listed are known journalists but did not write this book.

Sofia is the capital city of Bulgaria, making option C the correct answer. The other options are capitals or countries unrelated to Sofia.

Angela Merkel served as the Chancellor of Germany from 2005 to 2021, making Germany the correct answer.

Hanoi is the capital city of Vietnam, making option D the correct answer. The other options are capitals of different countries.

Nelson Mandela was imprisoned for a total of 27 years, from 1962 until his release in 1990. He spent 18 years on Robben Island, followed by time in Pollsmoor Prison and Victor Verster Prison. Therefore, the correct answer is D, 27 years.

Karachi Central is the most populous district in Pakistan, surpassing Lahore and other districts. Lahore is a large city but does not have the highest district population. Chaghi and Peshawar have smaller populations comparatively.