A courtyard is 21 meter long and 14 meter board is to be paved with bricks of dimensions 14 cm by 8 cm. The total number of bricks required is :	Choose the correct choice from the following answers.
A) 16000	B) 18000	C) 20000	D) 26250	E) none of these

Rationale: "explanation : number of bricks = courtyard area / 1 brick area = ( 2100 ã — 1400 / 14 ã — 8 ) = 26250 option d"
Answer: D