Question 253184
Given, when N is divided by 5, the remainder is 2.
     Let N = 5x+2  where x is an integer
        N+4= 5x+2+4
        N+4= 5x+5+1
        N+4= 5(x+1)+1 where (x+1) is an integer
Therefore when N+4 is divided by 5 the remainder is 1