This is in fact a wonderful question to get wrong. Any hastened reading of the question is likely to get you a wrong output. This must be a PYQ from CSE or CDS or CAPF!! It is a nearly impossible question to frame otherwise.
I am no knight. Do not call me Sir|Philosophy behind ForumIAS
@Neyawn Same has been broadly explained by Subham Sir of ForumIAS in one of Material. Indeed a pure conceptual question.





