Each of the following questions in this section consists of a sentence the parts of which have been jumbled. These parts have been labelled P, Q, R and S. Given below each sentence are four sequences namely (a), (b), (c) and (d). You are required to re-arrange the jumbled parts of the sentence and select the correct sequence.
Towards the end of the eighteenth century quite a number of economists `underset(P)ul("in the near future")" "underset(Q)ul("at the possibility of")" "underset(R)ul("were seriously perturbed")" "underset(S)ul("the world facing starvation")`
The correct sequence should be :
(a) P-R-Q-S
(b) R-Q-S-P
(c) Q-S-P-R
(d) R-P-Q-S