If Convent College won 6000 rupees from 2nd rankers, then how much money did SRCC won from 2nd rankers?
The number of 2nd rankers from Convent = 3
Hence number of 2nd rankers from Aurobindo = 4 or 3 or 2
But is number of 2nd rankers from Aurobindo is 4 then total money won by Aurobindo becomes
greater than 24000 which contradicts the data given.
Therefore we get following two possibilities.
Thus money won by SRCC from 2nd rankers = 6000
Option d