SSC CGL Tier II Quant 16 Nov 2020 Paper

Question : 97 of 100

Marks: +1, -0

A cylindrical roller made of iron is 1.2 m long. Its internal radius is 24 cm and thickness of the iron sheet used in making the roller is 15 cm. What is the mass (in kg) of the roller, if 1 cm³ of iron has 8 g mass?