Which Pakistani university was ranked as the best university in the country according to the Times Higher Education (THE) World University Rankings 2021 in December 2020.

a. Quaid-i-Azam University
b. National University of Sciences and Technology (NUST)
c. Lahore University of Management Sciences (LUMS)
d. University of the Punjab
Answer: b. National University of Sciences and Technology (NUST)