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IMC 2013 — Keystage 3 (IWYMIC) — individual Question 8

xIMC · IMC 2013 — Keystage 3 (IWYMIC) — individual

Question 8

Lea wears a diamond, a gold and an ivory ring on her right hand. Each can be on any of five fingers; distinct orders on the same finger count differently. How many ways can she wear all three?