Skip to content / Đến nội dung
ThichHocToan.com

MathNet 2015-part-06 — 191 problems (EN–VI) Question 46

Math Olympiad Vault · MathNet 2015-part-06 — 191 problems (EN–VI)

Question 46

Anelize put $120$ identical cubes together to form a rectangular prism. She then painted all $6$ faces of the prism. Once the paint had dried she disassembled the cubes and found that $24$ of the cubes had not been painted on any face. The surface area of the prism she formed was
(A) $148$ (B) $150$ (C) $152$ (D) $154$ (E) $156$