.docx is the file extension used for Microsoft Word documents.

Stanly Wolpert is the author of 'Jinnah of Pakistan', so Stanly Wolpert fits as the writer of that book.

8th August 1967 is the established founding date of ASEAN, so 8th August 1967 fits.

Ctrl+K is the standard keyboard shortcut used in many programs to insert or edit a hyperlink, so Ctrl+K fits.

Godwin Austin is an alternate historical name for K-2, so Godwin Austin fits as another name for the mountain.

Lyon, France is the location of INTERPOL’s headquarters, so Lyon, France fits as the correct place.

All of these is correct because each listed choice expresses lack or restraint and therefore serves as an antonym of lavish.

Kabul is the river on which Warsak Dam was constructed, so Kabul fits as the river name.

Hui are the Muslim ethnic group living in China, so 'Hui' is the correct answer identifying that community.

In PowerPoint the shortcut Alt+K opens the Transitions tab, so 'Alt+K' is the correct key combination for that function.