S1: The motor car is one of the useful gifts of modern science.
P: One of these is the smoke and pollution that it creates.
Q: It has made short and medium distance journeys fast and comfortable.
R: The other is that it has made journey by road hazardous.
S: Yet we can't say that a motor car is a blessing without disadvantages.
S6: Finally in this age of energy crisis a personal car is an expensive thing.
The Proper sequence should be:
A. PQRS
B. QSPR
C. RSPQ
D. SPQR
Answer: Option B

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