Post Your Answer
Ans 1:
Class : Class 5
Admin is wrong , because the question given the digit used once but admin is using digit 9 multiple time which is wrong , so either question or options is wrong .
Ans 2: (Master Answer)
Class : Class 1
(A): Given digits = 9,8,3,4
Greatest 6 digit no. formed by these digits = 999843
Smallest 5 digit no. formed by these digits = 33489
Required difference = 999843 - 33489 = 966354