Maths Olympiad Prep

Library / /231 of 387

, 1998

Combinatorics Difficulty 2.0 Junior Find the answer Canada

Mr. Anderson has more than 25 students in his class. He has more than 2 but fewer than 10 boys and more than 14 but fewer than 23 girls in his class. How many different class sizes would satisfy these conditions?

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

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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.