How many bricks are needed to build a pillar of dimension .5x.5x25 m , if the dimension of the brick is 8x5x22 cm and the 15% of the total volume of the pillar is filled with concrete and steel.
Options:	A) 3500	B) 4100	C) 4847	D) 5310	E) 5568
Volume of the pillar that needed to be filled with bricks=.5x.5x25x0.85=5.31   Volume of the brick=0.08x0.05x0.25=.001   No. of bicks needed to build the pillar=5.31/0.001= 
<gadget id="calculator">5.31/0.001</gadget>
<output>5_310</output>
5310   Answer: 5310
<result>D</result>
How many bricks are needed to build a pillar of dimension .5x.5x25 m , if the dimension of the brick is 8x5x22 cm and the 15% of the total volume of the pillar is filled with concrete and steel.