RRB Group D 14-Dec-2018 Shift 2 Solved Paper

Question : 82 of 100

Marks: +1, -0

A 42 cm long hollow cylinder has an outer diameter of 16 cm and an internal diameter of 12 cm. If the weight of the cylinder's material is 10 g/cm³, what is the weight of the hollow or empty cylinder? (π = 22/7)