The length and breadth of a cuboidal store are in the ratio 2 : 1 and its height is 3.5 metres. If the area of its four walls (including doors) is 210 m2, then its volume is ______.

The length and breadth of a cuboidal store are in the ratio 2 : 1 and

1.	The length and breadth of a cuboidal store are in the ratio 2 : 1 and its height is 3.5 metres. If the area of its four walls (including doors) is 210 m2, then its volume is ______.
A.	700 m3
B.	679 m3
C.	567 m3
D.	1050 m3
Answer» B. 679 m3