A cubical box with lid has a length of 30cm .Find the cost of painting the inside and outside of the box at 25.50 per square metre

A mansion has 12 right cylindrical pillars each having radius 50 cm and height 3.5m. Find the cost to painting the surface of the pillares at Rs 20 per square metre.

A mansion has 12 right cylindrical pillars each having radius 50cm and height 3.5m. Find the cost to paint the lateral surface of the pillars at Rs.20 per square metre.

The outer diameter of a pipe is 70 cm and it is 21 m long. Find the cost of painting the outer surface of the pipe at the rate of Rs 10 per square metre

The length, breadth and height of a rectangular box are in the ratio of 3: 2:4 respectively and the cost of covering it with a sheet of paper at the rate of 1.50 per square metre is Rs.1,950. Find the volume of the box.

A cubical box has each edge 10 cm. Find the length of longest rod which can be put into the box.

A cubical box has each edge 10 cm. Find the length of longest rod which can be put into the box.

An open box is made of wood 2 cm thick. Its internal length is 86 cm , breadth 46 cm and height is 38 cm. The cost of painting the outer surface of the box at Rs. 10 per m^(2) is :

The length and breadth of a rectangular wall are 30 metre and 24 metre respectively and the cost of painting the wall is Rs. 3,240. Find the rate of painting per square metre.