Calculate the number of bricks, each measuring 25 cm x 15 cm x 8 cm required to construct a wall of dimensions 10 m x 4 cm x 6 m when 10% of its volume is occupied by mortar ? Choose the correct choice from the following
A) 720 B) 600 C) 660 D) 6000 E) NONE OF THESE
Explanation:   Let the number of bricks be 'N'   10 x 4/100 x 6 x 90/100 = 25/100 x 15/100 x 8/100 x N   10 x 4 x 6 x 90 = 15 x 2 x N =&gt; N = 720.   720NSWER IS 720
<result>A</result>
Calculate the number of bricks, each measuring 25 cm x 15 cm x 8 cm required to construct a wall of dimensions 10 m x 4 cm x 6 m when 10% of its volume is occupied by mortar ?