[" 3.A cylindrical road roller made of iron is "1m" long.Its "],[" internal diameter is "54cm" and the thickness of the iron "],[" sheet used in making the roller is "9cm" .Find the mass "],[" of the roller,if "1cm^(3)" of iron has "7.8gm" mass(Use "pi],[=3.14)]

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 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 8 gm mass. (Use pi=3. 14 )

A cylinder road roller made of iron is 1 metre 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 cm^3 of iron has 7.8 gm mass. (use pi = 3.14)

A cylindrical road-roller made of iron is 1 m long. Its internal diameter is 54 cm and the thikcness of the iron sheet used in making the rolleris 9cm. Find the mass of the roller, if 1 cm^3 iron has 7.8 g mass. (Use pi = 3.14)

A cylindrical road roller made of iron is 1m wide.Its inner diameter is 54cm and thickness of the iron sheet rolled into the road roller is 9cm. Find the weight of the roller if 1c.c. of iron weights8gm.

A cylindrical road roller made of iron is 1m wide. Its inner diameter is 54cm and thickness of the iron sheet rolled into the road roller is 9cm. Find the weight of the roller if 1 c.c. of iron weight 8 gm.

A cylindrical road roller made of iron is 1m wide. Its inner diameter is 54cm and thickness of the iron sheet rolled into the road roller is 9cm. Find the weight of the roller if 1c.c. of iron weights8 gm.

A cylindrical roller made up of iron is 1.2m long. Its internal radius is 24cm and thickness of the iron sheet used in making the roller is15 cm. What is mass the(in kg ) of the roller, if 1 cm^3 of the iron has 8 g mass? लोहे से बना एक बेलनाकार रोलर 1.2 मीटर लंबा है। इसकी आंतरिक त्रिज्या 24 सेमी है और रोलर बनाने में उपयोग की जाने वाली लोहे की शीट की मोटाई 15 सेमी है। रोलर का वजन (किलो में क्या है, यदि 1 cm^3 लोहे का द्रव्यमान 8 ग्राम है ?

An iron pipe is 21 m long and its exterior diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weight is 8 g/cm' find the weight of 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