Question:A will `8` m long, `6` m high and `22.5` cm thick is made up of bricks, each measuring `(25 cm xx 11.25 cm xx 6 cm)`. The number of bricks required is :
A `6000`
B `5600`
C `6400`
D `7200`
/113
+ Answer
C
+ ExplanationNumber of bricks
`= ((800 xx 600 xx 22.5)/(25 xx 11.25 xx 6))`
`= 6400`.