Some bricks are arranged in an area measuring 20 cu. M. If the length, breadth and height of each brick is 25 cm 12.5 cm and 8 cm respectively, then in the pile the number of bricks are (suppose there is no gap in between two bricks)

Options

A. 10000
B. 6000
C. 8000
D. 4000

Answer

C

Explanation

`n xx ((25)/(100)xx(12.5)/(100)xx(8)/(100))=20`
`rArr n = (20xx100xx100xx100)/(25xx12.5xx8)`
`rArr n =8000` ईंट