# A hall is 15 m long & 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

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L=15,b=12
A/Q,
2×lb=2h(l+b)
=15×12=h(15+12)
=180/27=h
h=6.67m
V=l×b×h
=1200m³(use h= 180/27)