अनुबंध की सामान्य शर्तों के अनुसार, ठेकेदार द्वारा जमा की जाने वाली प्रतिभूति राशि (security money) कितनी होती है?

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?