Problem of the Week

Current Problem (9/19/25)

Last Week’s Problem

Rules for Problem of the Week

  1. Only P.C. students can participate.
  2. A new question is posted each Friday that classes are in session.
  3. A correct answer must be exact. For example, if the correct answer is 2π then 6.28 is not correct. If the correct answer is 1/3 then 0.3333 is not correct.
  4. A participant who gives the first correct answer to a question is the winner for that week.
  5. The winner for each week gets a raffle ticket for a drawing held during the mathematics department end-of-the-year party in May. Several prizes will be raffled off. You do not have to be present to win.
  6. Answers are to be submitted by email to: jhoag@providence.edu. There is no other way to submit an answer.
  7. All decisions of the judges are final.

Mathematics and Computer Science

Office Hours: Mon – Fri, 8:30am – 4:30pm
Howley Hall 218
401.865.2334
401.865.1356

Liam Donohoe

Department Chairperson
Howley Hall 200
401.865.2466
ldonohoe@providence.edu

Emelinda Huertas

Administrative Coordinator
Howley Hall 218
401.865.2334
ehuerta1@providence.edu