A courtyard is 25 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 Choose one:
A) 16000
B) 18000
C) 20000
D) 22000
E) 24000
Explanation:   Number of bricks =20000ourtyard area/1 brick area   =(2500×160020×10)=20000   Answer: Option 20000
<result>C</result>
A courtyard is 25 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