Correct Answer - Option 3 : 1111
Calculations :
(1) 999999/9 = 111111
(2) 999999/11 = 90909
(3) 999999/1111 = 900.089
(4) 999999/99 = 10101
As dividing 999999 by 1111 is not giving us a whole number hence it is not divisible by 1111
∴ 999999 is not divisible by 1111