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

A) SQPR
B) PQRS

C) PSRQ
D) QSRP

Correct answer:
A) SQPR


Please provide the error details in above question

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