The cost of a purse and a steel tiffin box is ₹ 250 and ₹ 290 respectively. Find the total cost of 11 such purses and 11 tiffin boxes.

The length , breadth and height of a cuboidal shaped box of medicine is 20 cm , 12 cm and 10 cm respectively . Find the total surface area of the box .

The cost of a wet-grinder is Rs. 3,755. The costs of a fruit-juicer is Rs. 1,250 less than that of the wet-grinder. Find the total cost of the wet-grinder and the fruit juicer.

The cost of 4 pens and 4 pencils boxes is Rs. 100. Three times the cost of a pen is Rs. 15 more than the cost of a pencil box. Form the pair of linear equations for the above situation. Find the cost of a pen.

What is the cost of Gear Box ?

The cost of a pen is the largest two-digit number (in Rs.). The cost of a text book and geometry box respectively are the successor and predecessor of the cost of the pen. Find the sum of the costs of the text book and geometry box (in Rs.)

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.

The length , breadth and height of box are 2m , 1.5 m and 80 cm respectively . What would be the cost of canvas to cover it up fully , if one square metre of canvas costs Rs. 25.00 ?