Mensuration Ques 35

Question

A metallic cuboid measuring $12 cm \times 9 cm \times 2 cm$ is melted and cast into a cube. Find the length of each edge of the cube.

(1) $5 cm$

(2) $6 cm$

(3) $2 cm$

(4) $8 cm$

(5) $10 cm$

(IBPS RRBs Officer CWE (Prelim Exam) 16.09.2017)

Show Answer

Correct Answer: (2)

Solution: (2)

Volume of cube = Volume of cuboid $=(12 \times 9 \times 2)$ cu.cm.

$\therefore$ Edge of cube $=\sqrt[3]{12 \times 9 \times 2}$ $=6 cm$.