JIPMATGeometry > Medium768906814652✅ Correct Option: 3Related 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 2023Two identical solid cubes of side 5 cm are joined end to end. Then the total surface area of the resulting cuboid is:JIPMAT 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 :