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 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 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 cylindrical road roller made of metal is 1 m long. Its inner radius is 27 cm and the thickness of the metal sheet rolled into it is 9 cm. What is the weight of the roller if 1 cubic cm of metal weighs 8 g? धातु से बना एक बेलनाकार रोड रोलर 1 मीटर लंबा है। इसकी आंतरिक त्रिज्या 27 सेमी है और धातु की शीट की मोटाई 9 सेमी है। यदि 1 घन सेमी धातु का वजन 8 ग्राम हो तो रोलर का वजन कितना होगा?

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

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 :

A hollow copper pipe is 22 cm long and its external diameter is 28 cm.If the thickness of the pipe is 3 cm and iron weighs 8.5 g/ cm^3 , then the weight of the pipe is closest to:

A solid iron pole consists of a cylinder of height 220 cm and base diameter 24 cm, which is surmounted by another cylinder of height 60 cm and radius 8 cm. Find the mass of the pole, given that 1 cm^3 of iron has approximately 8 gm mass. (Use prod = 3.14)

A solid iron pole consists of a cylinder of height 220 cm and base diameter 24 cm, which is surmounted by another cylinder of height 60 cm and radius 8 cm. Find the mass of the pole, given that 1\ c m^3 of iron has approximately 8\ g\ m a s s (Use pi=3. 14 )