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A plain scale is made to show 8 meters and sub division is decimeters. To measure7 meters and 3 decimeters how many divisions is to take on the right side of origin and how many it is to take on the left side of origin?

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A plain scale is made to show 8 meters and sub division is decimeters. To measure7 meters and 3 decimeters how many divisions is to take on the right side of origin and how many it is to take on the left side of origin?

(a) 7, 3

(b) 3, 7

(c) 6, 4

(d) 4, 6

The question was posed to me in an online interview.

I'm obligated to ask this question of Plane Scales in division Scales of Engineering Drawing

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The correct choice is (a) 7, 3

For explanation I would say: Origin is at 1st division ending. 1st division is made to sub-divisions. From origin, it is divided into divisions on the right side and towards left 1st division is divided into sub-divisions. Here it is asked to measure how many divisions do 7 meters takes. It is 7 from origin to right. And 3 from origin to left.

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