A courtyard is 18 meter long and 16 meter board is to be paved with bricks of dimensions 20 cm by 10 cm. The total number of bricks required is?  Select the correct option:
A) 22877
B) 27778
C) 20000
D) 27999
E) 14400
Number of bricks =Courtyard area/1 brick area   =(1800×1600/20×10)=14400   Answer: 14400
<result>E</result>
A courtyard is 18 meter long and 16 meter board is to be paved with bricks of dimensions 20 cm by 10 cm. The total number of bricks required is?