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.
Originally developed to solve complex problems __________ the Differential Analyzer, was operational.
P: Bush’s analog computers were also applied
Q: By 1931 his most successful machine, known as
R: to many other engineering problems.
S: associated with long-distance power lines,