What is the bulk density of sand assumed while designing the amount required for a sand filter?

What is the bulk density of sand assumed while designing the amount re

1.	What is the bulk density of sand assumed while designing the amount required for a sand filter?
A.	1750 Kg/m<sup>3</sup>
B.	1300 Kg/m<sup>3</sup>
C.	1000Kg/m<sup>3</sup>
D.	790 Kg/m<sup>3</sup>
Answer» B. 1300 Kg/m<sup>3</sup>