How many bricks, each measuring 25 cm x 11.25 cm x 6 cm, will be needed to build a wall of 8 m x 6 m x 22.5 cm? Choose the correct choice from the following
A) 5600
B) 6000
C) 6400
D) 7200
E) None
Solution   Number of bricks = Volume of the wall/Volume of 1 brick   =(800x600x22.5 /25x11.25x6)   = 6400.   Answer 6400
<result>C</result>
How many bricks, each measuring 25 cm x 11.25 cm x 6 cm, will be needed to build a wall of 8 m x 6 m x 22.5 cm?