Library / /105 of 475

, 2002

Algebra Difficulty 1.0 Junior Find the answer Canada

In a sequence of numbers, each number, except the first, equals twice the previous number. If the sum of the second and third numbers in the list is 24, then the sixth number is

(A) $112$ (B) $192$ (C) $64$ (D) $40$ (E) $128$

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.