Find the smallest number of 6 digits which is exactly divisible by 111.
Soln:
 Smallest number of 6 digits is 100000
 On dividing 100000 by 111, we get 100 as remainder
 Thus number to be added = 111-100 =11
 Hence, the required number = 100011
 Hence, required numberr = 3105 + 3 = 3108