Subject: General Aptitude · Chapter: Volume and Surface Area · Exam: · Marks: · Difficulty:
The dimensions of an open box are 50 cm, 40 cm and 23 cm. Its thickness is 3 cm. If 1 cubic cm of metal used in the box weighs 0.5 gms, find the weight of the box.
Answer
Answer (as printed):
Explanation
Volume of the metal used in the box = External volume – Internal volume = [(50 × 40 × 23) – (44 × 34 × 20)] cm3 = 16080 cm3. 16080 × 0.5 ∴ Weight of the metal = kg = 8.04 kg. 1000
Explanation as extracted from the printed page; notation may be imperfect.