A closed cylindrical tank of radius 1.5m and height 3m is made from a sheet of metal. How much sheet of metal is required?

A closed cylindrical tank of radius 7 m and height 3 m is made from a sheet of metal. How much sheet of metal is required?

It is required to make a closed cylindrical tank of height 1m and base diameter 140cm from a metal sheet. How many square metres of the sheet are required for the same?

It is required to make a closed cylindrical tank of height 1 m and base diameter 140 cm from a metal sheet. How many square metres of the sheet are required for the same?

A closed cylindrical tank, made of thin iron sheet, has diameter = 8.4 m and height 5.4 m. How much metal sheet, to the nearest m^(2), is used in making this tank, if (1)/(15) of the sheet actually used was wasted in making the tank ?

Find the time required for a cylindrical tank of radius 2.5 m and height 3 m to empty through a round hole of radius 2.5 cm with a velocity 2. 5sqrt(h) m/s, h being the depth of the water in the tank.

Find the time required for a cylindrical tank of radius 2.5 m and height 3 m to empty through a round hole of 2.5 cm with a velocity 2. 5sqrt(h) m/s, h being the depth of the water in the tank.

Find the minimum length in cm and correct to nearest whole number of the thin metal sheet required to make a hollow and closed cylindrical box of diameter 20 cm and height 35 cm. Given that the width of the metal sheet is 1 m. Also, find the cost of the sheet at the rate of Rs 56 per sq m. Find the area of metal sheet required, if 10% of it is wasted in cutting, overlapping, etc.

A cylindrical water tank of diameter 1.4m and height 2.1m is being fed by a pipe of diameter 3.5cm through which water flows at the rate of 2 metre per second. In how much time the tank will be filled?

A cylindrical water tank of diameter 1.4m and height 2.1m is being fed by a pipe of diameter 3.5cm through which water flows at the rate of 2 metre per second. In how much time the tank will be filled?

A right circular cylindrical tunnel of diameter 2m and length 40m is to be constructed from a sheet of iron. The area of the iron sheet required in m^2, is (a) 40pi (b) 80pi (c) 160pi (d) 200pi