AFCAT I 23 Jan 2025 Shift 2 Paper

The following question consists of an incomplete sentence or a sentence which is split into four parts. All the four parts are jumbled up and are named as P, Q, R, and S. These four parts are given in their proper order. Arrange the jumbled parts of the sentence and find out which of the four combinations from the given options will correctly complete the sentence.
In 1929 von Neumann was asked to lecture __________ before students could copy what he had written.
P: teacher, prone to write quickly and erase the blackboard
Q: on quantum theory at Princeton University.
R: This led to an appointment as visiting
S: professor. He was remembered as a mediocre