In the question below, the passage consists of six sentences. The first and sixth sentences labelled S1 and S6 respectively, have been ordered correctly. The middle four sentences have been jumbled up. These are labelled as P, Q, R and S. Find out the proper order for the four sentences.

S1: Metals are today being replaced by polymers in many applications.

P : Above all, they are cheaper and easier to process making them a viable alternative to metals.

Q : Polymers are essentially a long chains of hydrocarbon molecules.

R : Today polymers as strong as metals have been developed.

S : These have replaced the traditional chromium-plated metallic bumpers in cars.

S6: Many Indian Institutes of Science and Technology run special programmes on polymer science.

The Proper sequence should be:

A.

QRSP

B.

RSQP

C.

RQSP

D.

QRPS

Correct answer is A

No explanation has been provided for this answer.