The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph. P: When he showed it to his teachers, they were delighted. Q: It was not long before physicians were all using the Instrument to count the heartbeats of their patients. R: When Galileo went home, he began to experiment with the pendulum. Soon he had invented an instrument which marked the rate of pulse beats. S: Then the clock makers began to use the pendulum to keep time. Today it has many other uses.

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph. P: When he showed it to his teachers, they were delighted. Q: It was not long before physicians were all using the Instrument to count the heartbeats of their patients. R: When Galileo went home, he began to experiment with the pendulum. Soon he had invented an instrument which marked the rate of pulse beats. S: Then the clock makers began to use the pendulum to keep time. Today it has many other uses. Correct Answer RPQS

Correct Answer: RPQS

From the sentences, it is clear that Sentence R must come first since it forms the basis for all the other sentences in the passage. Therefore, RPQS is the only option which satisfies this and hence, is correct.

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