For every question, four probable answers as (A), (B), (C) and (D) are given. Only one out of these is correct. Choose the correct answer.
How many bricks will be required for a wall 8 m long, 6 m high and 22.5 cm thick, if each brick measures `25 xx 11.25 xx 6 cm` ?

Options

A. 640
B. 1380
C. 6400
D. 7600

Answer

C