Class : Class 8
the answers A B and C show the same pattern 435612 which says NTERUA. D is 423615 which says NATRUE . all options are WRONG.
Class : Class 4
The correct answer should be D because the options resembles as follow:-a-NTERUAb-NTERUAc-NTERUAd-NATUREThus,the option D that resembles 'NATURE' is actually correct.