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:
A.720
B.900
C.1200
Feedback2(15 + 12) x h = 2(15 x 12) h =180/27m =20/3m. Volume = 15 x 12 x20/3 m^3= 1200 m^3.
D.1800
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