Find the mass of a 3.5 m long lead pipe, if the external diameter of the pipe is 2.4 cm, thickness of the metal is 2 mm and the mass of `1\ c m^3` of lead is 11.4 grams.

Find the weight of a lead pipe 3.5m long,if the external diameter of the pipe is 2.4cm and the thickness of the lead is 2mm and 1 cubic cm of lead weighs 11gm.

Find the weight of a lead pipe 3.5m long,if the external diameter of the pipe is 2.4cm and the thickness of the leed is 2mm and 1 cubic cm of lead weighs 11gm.

If the external diameter of a pipe is 25cm and the thickness is 1cm, find the total surface area.

The external diameter of a lead pipe is 2.4 cm and the thickness of the lead is 2 mm. Find the weight of a pipe of length 7m, it being given that 1 cu cm of lead weight 10g

A cylindrical road roller made of iron is 1 m long. Its internal diameter is 54 cm and the thickness of the iron sheet used in making the roller is 9 cm. Find the mass of the roller, if 1\ c m^3 of iron has 7.8 gm mass. (Use pi=3. 14 )

A hollow iron pipe is 28 cm long and its external diameter is 10 cm.If the thickness of the pipe is 2 cm and iron weighs 5g//cm^(3) , then the weight of the pipe is :

An iron pipe 20cm long has exterior diameter equal to 25cm .If the thickness of the pipe is 1cm, find the whole surface of the pipe.

A hollow iron pipe of 21 cm long and its external diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weights "8 g/cm"^(3) , then the weight of the pipe is