The dimensions of an oil tin are `26 c m\ x\ 26 c m\ x\ 45 c mdot` Find the area of the tin sheet required for making 20 such tins. If 1 square metre of the tin sheet costs Rs. 10, find the cost of tin sheet used for these 20 tines.

A cuboidal oil tin is 30\ c m by 40\ c m by 50\ c mdot Find the cost of the tin required for making 20\ such tines if the cost of tin sheet is R s .20 per square metre.

A cuboidal oil tin is 30\ c m by 40\ c m by 50\ c mdot Find the cost of the tin required for making 20\ such tines if the cost of tin sheet is R s .20 per square metre.

A cuboidal oil tin is 30 c m * 40cm * 50 c m . Find the cost of the tin required for making 20 such tins if the cost of tin sheet is R s .20 per square metre.

Find the area of metal - sheet required to make an open tank of length = 10 m breadth = 7.5 m and depth = 3.8 m.

The outer dimensions of a closed wooden box are 10 c m\ by 8c m\ by 7c mdot Thickness of the wood is 1c mdot Find the total cost of wood required to make box if 1\ c m^3 of wood costs R s\ 2. 00

The outer dimensions of a closed wooden box are 10 c m\ by 8c m\ by 7c mdot Thickness of the wood is 1c mdot Find the total cost of wood required to make box if 1\ c m^3 of wood costs R s\ 2. 00

Shanti Sweets stall was placing an order for making card board boxes for packing their sweets. Two sizes of boxes were required. The bigger of dimensions 25 c m\ x\ 20 c m\ x\ 5c m and the smaller of dimensions 15 c m\ x\ 12 c m\ x\ 5c m .5 % of the total surface area is required extra, for all the overlaps. If the cost of cardboard is R s .4\ for 1000\ c m^3, find the cost of cardboard required for supplying 250\ boxes of each kind.

A tank open at the top is made of iron sheet 4m wide. If the dimensions of the tank are 12 m\ × \ 8m\ ×\ 6m , find the cost of iron sheet at Rs. 17.50 per metre.

Two parallel side of a trapezium are 60 c m\ a n d\ 77 c m and other sides are 25 c m\ a n d\ 26 c mdot Find the area of the trapezium.

A conical tent is 10m high and the radius of its base is 24m. Find the slant height of the tent. If the cost of 1m^2 convas is Rs. 70, find the cost of the canvas required to make the tent.