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The length of cold storage is double its breadth. Its height is 3 meters. If the area of four walls including doors is 108 m2, what is its volume? 
  • a)
    216 m3
  • b)
    264 m3
  • c)
    232 m3
  • d)
    218 m3
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
The length of cold storage is double its breadth. Its height is 3 mete...
Let l = 2b, h = 3m 
Area of four walls = 108 
2 (l + b) h = 108 
⇒ 2 (2b + b) 3 = 108 
⇒ 3b = 108/6 = 18
⇒ b = 18/3 = 6
∴ l = 2b = 2 × 6 = 12
∴ Volume of cold storage
= lbh = 12 × 6 × 3 = 216 m3
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The length of cold storage is double its breadth. Its height is 3 meters. If the area of four walls including doors is 108 m2, what is its volume?a)216 m3b)264 m3c)232 m3d)218 m3Correct answer is option 'A'. Can you explain this answer?
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