Estimating and Costing
In long and short wall method of estimation, the length of long wall is the centre to centre distance between the walls and

None of these
Breadth of the wall
One fourth breadth of wall on each side
Half breadth of wall on each side

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Estimating and Costing
Pick up the correct statement regarding the centre line method of estimating a building

The centre line length is reduced by half the layer of main wall joining the partition wall
Product of the centre line of the walls and area of cross-section of any item, gives total quantity of the item
All of these
The centre line is worked out separately for different sections of walls of a building

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