UPSC 2017 CDS II English Paper

‘S’ will be the first part of the given sequence as ‘how to swim’ is used in relation to ‘teaching’ in the opening part. ‘Q’ will follow next as per the subject verb agreement rule. PR will make a pair together as ‘few open ponds around’ make a logical phrase together. Hence, SQPR is the right sequence. Thus, option (a) is correct.