Geography

Asia is the largest continent by area, covering about 44.6 million square kilometers, which is significantly larger than Africa, Europe, or Australia.

K2 is the second highest mountain in the world, with a total height of 8,611 meters above sea level. Option C correctly states this height.

Most of Pakistan's rivers, including the Jhelum, Chenab, Ravi, Beas, and Sutlej, are tributaries of the Indus River and ultimately flow into it.

The rivers Jhelum, Chenab, Ravi, Sutlej, and Beas all merge at a place called Punjnad in Pakistan, forming the Panjnad River before joining the Indus.

The Indus River empties into the Arabian Sea near the city of Thatta, which is located in the Sindh province of Pakistan. This is a well-known geographical fact.

The total length of the Pakistan-India border is approximately 3,323 kilometers, making option B correct.

The Thar coalfield, located in Sindh province, is the largest coal reservoir in Pakistan, containing vast lignite reserves.

Kalabagh is a town located in the Mianwali District of Punjab, Pakistan. It is well known for its historical significance and the proposed Kalabagh Dam site.

K-2, the second highest mountain in the world, is located in the Karakoram mountain range, not the Himalayas, Andes, or Alps.

The official currency of Afghanistan is the Afghani. The other options refer to currencies used in different countries.