Maths Olympiad Prep

Library / CEMC Fermat /251 of 566

CEMC Fermat, 1999

Algebra Difficulty 2.0 Junior Find the answer Canada

Crippin wrote four tests each with a maximum possible mark of 100. The average mark he obtained on these tests was 88. What is the lowest score he could have achieved on one of these tests?

(A) 8888 (B) 2222 (C) 5252 (D) 00 (E) 5050

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.