If a diagonal scale is to be made with a yard, feet and inch then, how many divisions it has to be made vertically?

If a diagonal scale is to be made with a yard, feet and inch then, how

1.	If a diagonal scale is to be made with a yard, feet and inch then, how many divisions it has to be made vertically?
A.	3
B.	12
C.	10
D.	6
Answer» C. 10