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	Choose one.
A) 2451	B) 1200	C) 1234	D) 5874	E) 4561
Explanation:   2(15 + 12) x h = 2(15 x 12)   h =	180/27m =20/3m.   Volume =	15 x 12 x	20/3	m	= 1200 m^3.   Ans: 1200
<result>B</result>
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