सामान्य प्रतीकों के साथ, शोधन निधि कारक (sinking fund factor) निम्नलिखित में से किस समीकरण द्वारा दिया जाता है, जहाँ 'i' ब्याज दर है और 'n' वर्षों की संख्या 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?