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?
Answer: Option C
Explanation:
Number of bricks =Volume of the wall=800 x 600 x 22.5= 6400.Volume of 1 brick25 x 11.25 x 6