Turkish NMO First Round - 2012 Problem - 14 {Number Theory}
Source:
July 1, 2012
modular arithmetic
Problem Statement
What is the sum of distinct remainders when (2n−1)502+(2n+1)502+(2n+3)502 is divided by 2012 where n is positive integer?<spanclass=′latex−bold′>(A)</span>3<spanclass=′latex−bold′>(B)</span>1510<spanclass=′latex−bold′>(C)</span>1511<spanclass=′latex−bold′>(D)</span>1514<spanclass=′latex−bold′>(E)</span>None