# Easy Number System Solved QuestionAptitude Discussion

 Q. A and B are playing mathematical puzzles. A asks B "which whole numbers, greater than one, can divide all the nine three digit numbers $111, 222, 333, 444, 555, 666,$ $777, 888$ and $999$?" B immediately gave the desired answer. It was:
 ✖ A. 3, 37 and 119 ✔ B. 3, 37 and 111 ✖ C. 9, 37 and 111 ✖ D. 3, 9 and 37

Solution:
Option(B) is correct

Each of the number can be written as a multiple of 111.

The factors of 111 are 3 and 37

Thus the desired answer is 3, 37 and 111