A group housing society constructed 350 flats. If the cost of construction for each flat is Rs. 993570, what is the total cost of construction of all the flats.

The volume of a closed square based rectangular box is 1000 cubic metre. The cost of constructing the base is 15 paise per square metre and the cost of constructing the top is 25 paise per square metre. The cost of constructing its sides is 20 paise per square metre and the cost of constructing the box is Rs. 3.Find the dimensions of box for minimum cost of construction.

A dealer purchased 125 colour television sets. If the cost of each set is Rs. 19820, determine the cost of all sets together.

Through a rectangular field of length 90 m and breadth 60 m , two roads are constructed which are parallel to the sides and cut each other at right angles through the centre of the fields. If the width of each road is 3 m , find (i) the area covered by the roads. (ii) the cost of constructing the roads at the rate of Rs 110 per m^2 .

A boy bought 8 pencils for Rs 46.80 . What is the cost of each pencil ?

In a development plan of a city, a contractor has taken a contract to construct certain houses for which he needs building materials like stones, sand etc. There are three firms A, B, C that can supply him these materials. At one time these firms A, B, C supplied him 40, 35 and 25 truck loads of stones and 10, 5 and 8 truck load of sand respectively. If the cost of one truckload of stone and sand are Rs 1200 and 500 respectively, then find the total amount paid by the contractor to each of these firms A, B, C separately.

The pie-chart given in Figure represents the expenditure on different items in constructing a flat in Delhi. If the expenditure incurred on cement is Rs. 112500. Find the following Total cost of the flat Expenditure incurred on labour.

A cottage industry produces a certain number of pottery articles in a day. It was observed on a particular day that the cost of production of each article (in rupees) was 3 more than twice the number of articles produced on that day. If the total cost of production on that day was Rs 90. Find the number of articles produced and the cost of each article.

A cottage industry produces a certain number of pottery articles in a day. It was observed on a particular day that the cost of production of each article (in rupees) was 3 more than twice the number of articles produced on that day. If the total cost of production on that day was Rs 90. Find the number of articles produced and the cost of each article.

The total cost of daily output of x tons of coal is Rs. ((1)/(10) x^(3)-3x^(2) +50x) . What is the Marginal cost funvtion .

The total fare for two adults and three children on an excursion boat is $14. If each child's fare is one-half of each adult's fare, what is the total cost for one adult and one child?