The world’s highest mountain is “Mount Everest”. The second highest mountain is

(A) K2
(B) Kangchenjunga
(C) Cho Oyu
(D) Nanga Parbat

The answer is: (A) K2
The highest mountain, Mount Everest, is located along the border of China and Nepal. The second highest mountain, K2 (or Karakoram), is located along the border of China and Pakistan.