Subject: General Aptitude · Chapter: Volume and Surface Area · Exam: · Marks: · Difficulty:
Is a given rectangular block, a cube? I. At least 2 faces of the rectangular block are squares. II. The volume of the block is 64.
Answer
SELF-PRACTICE — the source book printed no answer.
Nothing is invented here, so this question has no answer on record.
Explanation
I. gives, any two of $l, b, h$ are equal. II. gives, $l b h=64$. From I and II, the values of $l, b, h$ may be (1, 1, 64), (2, 2, 16), (4, 4, 4). Thus, the block may be a cube or cuboid. $\therefore$ Correct answer is (d).
Explanation as extracted from the printed page; notation may be imperfect.