A water tank is 1.4 m long, Im wide and 0.7m deep. Find the volume of the tank in litres.

Parvali house has a water tank in the shape of a cylinder on the roof. This is filled by pumping water from a sump (an underground tank) which is in the shape of a cuboid. The sump has dimensions 1.57 m times 1.44 m times 9.5 cm. The water tank has radius 60 cm. and height 95 cm. Find the height of the water left in the sump after the water tank has been completely filled with water from the sump which had been full of water. Compare the capacity of the tank with that of the sump. ( pi =3.14)

A plot is 70 m long and 50m wide. A path 4m wide is to be constructed around the plot. Find the area of the path.

A plot is 50m long and 30m wide. A path 5m wide is to be constructed around the plot. Find the area of the path.

A storage tank consists of a circular cylinder with a hemisphere stuck on either end. If the external diameter of the cylinder be 1.4 m. and its length be 8 m. Find the cost of painting it on the outside at rate of Rs. 20 per m^(2) .

Five square flower beds each of side 1m are dug on a piece of land 5m long and 4 m wide. What is the area of the remaining part of the land?