निम्नलिखित में से किस प्रकार के कार्य वर्गाकार इकाइयों (क्षेत्रफल) में मापे जाते हैं?

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?