In a building there are 5 rooms.Each having a equal area .The length of the room is 4m and breadht is 5 m.The height of the rooms are 2m. If 17 bricks are needed to make a square meter then how many bricks are needed to make the floor of a particular room ?
Choose the correct choice from the following answers: A) 320 B) 340 C) 300 D) 310 E) 330
Area of the floor = 4m x 5m = 20 m2   17 bricks are needed to make 1 m2 area.   So to make 20 m2 no of bricks needed = 17 x 20 = 340 Answer : 340
<result>B</result>
In a building there are 5 rooms.Each having a equal area .The length of the room is 4m and breadht is 5 m.The height of the rooms are 2m. If 17 bricks are needed to make a square meter then how many bricks are needed to make the floor of a particular room ?