AP EAMCET Medical 2018 Shift 1 Paper

A thermally insulated cubical box of side length 20 cm and wall thickness 2 cm containing 2 ke of ice is closed on all sides. The mass of ice melted in 10 horns is
(Thermal conductivity of the material of the box = 0.01 Wm−1K−1. latent heat of ice = 360 x 103 J kg−1 and ambient temperature = 40 °C)