UPSC 2013 CDS 2 English Paper

‘S’ will be the first sentence as it tells about the place where theactions took place, that is, ‘in the go down’. ‘R’ will follow next in the given sequence as per the subject verb agreement rule, that is, “the fire was controlled”. ‘Q’ will come next as it contains the object, that is, ‘by volunteers’. ‘P’ will come next as it presents a condition, which is clear from the words, ‘before anyserious’. Thus, SRQP become the light sequence of words. Hence, option (a) is correct.