A plain scale is made to show 9 miles and sub division is furlong. To measure 3 miles and 6 furlongs how many divisions is to take on the right side of origin and how many division it is to take on the left side of origin?
(a) 3, 6
(b) 2, 4
(c) 6, 3
(d) 4, 2
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Asked question is from Plane Scales topic in portion Scales of Engineering Drawing