Question

7. A soma dos algarismos do ano 2019 é 12. Daqui
a quantos anos a soma dos algarismos do ano será
novamente 12?

A) 1
B) 6
C) 9
D) 11
E) 12

Answer 1

$\sf 2019 = 2 + 0 + 1 + 9 = 12\\\\\\\sf 2020 = 4\\\\\sf 2021 = 5\\\\\sf 2022 = 6\\\\\sf 2023 = 7\\\\\sf 2024 = 8\\\\\sf 2025 = 9\\\\\sf 2026 = 10\\\\\sf 2027 = 11\\\\\sf \to \boxed{\sf 2028 = 12 (2+0+2+8=12)}\\\\\\2019+9=2028\\\\\\RS\to C)$