Maths Olympiad Prep

Library / CEMC Gauss (Grade 7) /121 of 462

CEMC Gauss (Grade 7), 1999

Algebra Difficulty 1.0 Junior Find the answer Canada

In a “Fibonacci” sequence of numbers, each term beginning with the third, is the sum of the previous two terms. The first number in such a sequence is 22 and the third is 99. What is the eighth term in the sequence?

(A) 3434 (B) 3636 (C) 107107 (D) 152152 (E) 245245

We don't reproduce this publisher's solutions. Their own solution is here — work the problem first.
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.