JIPMATGeometry > Medium40%40 \%40%34.39%34.39 \%34.39%38.4%38.4 \%38.4%19%19 \%19%✅ Correct Option: 2Related questions:JIPMAT 2021One cubic metre of iron weighs 7.800 kg. The weight of iron in a pipe of length 4 m, whose interior and exterior diameters measure 10 cm and 12 cm respectively, is nearlyJIPMAT 2021The length of canvas 1.1 m wide required to build a conical tent of height 14m and the floor area 346.5 m2m^{2}m2 isJIPMAT 2025A solid brass sphere of radius 21 cm is converted into a right circular cylindrical rod of length 28 cm. The ratio of total surface areas of the rod to sphere is :