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 the correct choice from the following answers:
A) 720	B) 900	C) 1200	D) 1800	E) None
Solution   2(15 + 12) ×h	= 2(15 x 12)   ‹=›h= 180/27 m   = 20/3m   Volume	= (15×12×20/3)m3   ‹=›1200 m3.   Answer 1200
<result>C</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