Estimating and Costing
Carpet area does not include the area of

Bath room and lavatory
All of these
The walls along with doors and other openings
Kitchen and pantry

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Estimating and Costing
The assumption on which the trapezoidal formula for volumes is based, is

All listed here
The end sections are parallel planes
The volume of the Prismoidal is over-estimated and hence a Prismoidal correction is applied
The mid-area of a pyramid is half the average area of the ends

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Estimating and Costing
In the mid-section formula

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

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