How many bricks, each measuring 25 cm x 11 cm x 6 cm, will be needed to build a wall of 8 m x 1 m x 5 cm?  Choose the correct choice from the following choices:
A) 5600
B) 6000
C) 242
D) 7200
E) 8600

Rationale: "number of bricks = volume of the wall / volume of 1 brick = ( 800 x 100 x 5 ) / ( 25 x 11 x 6 ) = 242 . answer : option c"
Answer: C