Are Mount Everest and Masherbrum both mountains?
Mount Everest: Mount Everest, known in Nepali as Sagarmāthā and in Tibetan as Chomolungma, is Earth's highest mountain, located in the Mahalangur Himal sub-range of the Himalayas. Masherbrum:  At 7821 m it is the 22nd highest mountain in the world and the 9th highest in Pakistan.
yes