Question

A solid cubical block of fine wood cost ₹256 at ₹500 per m^2.find its volume and the lenght of each side

Answer 1

Surface area of cuboid = 256/500 = 0.512 sq m = 5120 sq cm That is 6a2 = 5120 a2= 853.33 a = 29.21 cm Volume of cube = a3 cubic units = (29.21)3 = 24922.68 cu cm (nearly)