AMC 8 2017 - Problem 8

Malcolm wants to visit Isabella after school today and knows the street where she lives but doesn't know her house number. She tells him, "My house number has two digits, and exactly three of the following four statements about it are true." (1) It is prime. (2) It is even. (3) It is divisible by 7. (4) One of its digits is 9. This information allows Malcolm to determine Isabella's house number. What is its units digit?

(A)
(B)
(C)
(D)
(E)
Answer:
The problems on this page are copyrighted by the American Mathematics Competitions.

Tagged: AMC 8 free test, AMC 8 daily question

App Menu

Why this website?

This website, MathAlready, helps students and users to understand the formula better.

Contact

ma@mathalready.com

Copyright 2022-2026 MathAlready