What is the remainder when 1725 + 2125 is divided by 19?
A.
0
B.
2
C.
14
D.
15
Answer and Explanation
Answer:0
Explanation: 17 = -2 mod 19 1725 = -225 mod 19 21 = 2 mod 19 2125 = 225 mod 19 Using the concept, “If a = b mod c and p = q mod c, then a + p = b + q mod câ€. 1725 + 2125 = -225 + 225 mod 19 = 0 mod 19 , i.e 0 is the remainder.