What is the standard number of bricks of standard size (19 cm × 9 cm × 9 cm) required for one cubic meter of brick masonry?

Water charges are usually taken as what percentage (%) in the rate analysis of an item?

Due to a change in price level, a revised estimate is prepared if the total expenditure exceeds the sanctioned estimate by more than:

Which of the following methods is used for the estimation of depreciation of a building?