Subject: General Aptitude · Chapter: Volume and Surface Area · Exam: · Marks: · Difficulty:
The volume of a wall, 5 times as high as it is broad and 8 times as long as it is high, is 12.8 cu. metres. Find the breadth of the wall.
Answer
Answer (as printed):
Explanation
Let the breadth of the wall be x metres. Then, Height = 5x metres and Length = 40x metres. 12.8 128 64 ∴ x × 5x × 40x = 12.8 ⇔ x3 = = = . 200 2000 1000 4 4 So, x = m = × 100 cm = 40 cm. 10 10
Explanation as extracted from the printed page; notation may be imperfect.