Estimating and Costing
Referring of given figure, pick up the correct statement from the following:

Length of long wall out-to-out is 6.80 m
All listed here
Length of short walls in-to-in is 3.20 m
The total length of centre line of four walls is 20 m

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Estimating and Costing
In the mid-section formula

The area of mid-sections is calculated by using mean depth
The volume of the earth work is calculated by multiplying the mid-section area by the distance between the two original sections
The mean depth is the average of depths of two consecutive sections
All of these

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