Maths Olympiad Prep

Library / /378 of 413

, 2005

Number theory Difficulty 3.0 AMC 10/12 Find the answer Canada

Pete is given three positive integers and is told to add the first two, and then multiply the result by the third. Instead, he multiplies the first two and adds the third to that result. Surprisingly, he still gets the correct answer of 1414. How many different values could the first number have been?

(A) 55 (B) 44 (C) 66 (D) 33 (E) 77

Want a route through all this instead of an archive? The track puts 2,604 problems in a working order, from Junior Challenge level to the IMO shortlist.

Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project. Solutions are the publisher's, linked not copied.