In this question each item consists of six sentences of a passage. The first and sixth sentences are given in the beginning as S1 and S6. The middle four sentences in each have been jumbled up and labelled P, Q, R and S. You are required to find the proper sequence of the four sentences and mark your response accordingly on the Answer Sheet.

S1: James Watt used the power of steam to drive machines.
S6: The jet engine is relatively more recent.
P : With petrol engines people were able to build motor cars and aeroplanes.
Q : Then many years later, the petrol engine was invented.
R : These provided quicker means of travelling.
S : His invention was used later by other clever men to give us the railway engine.
The proper sequence should be

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