Question
A hall is 15 m long and 12 m broad. If the sum of the areas of the floor and the ceiling is equal to the sum of the areas of four walls, the volume of the hall is:
Answer: Option C
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2(15 + 12) x h = 2(15 x 12)
h = \(\frac{180}{27}m=\frac{20}{3}m.\)
So, volume = \(\left(15\times12\times\frac{20}{3}\right)m^{3} = 1200m^{3}\)
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