Given: For cuboid shaped soap bar,
length (l) = 10 cm, breadth (b) = 5 cm and volume = 150 cc
To find: Thickness of the soap bar (h)
Volume of soap bar = l x b x h
∴ 150 = 10 x 5 x h
∴ 150 = 50h
3 = h
i.e., h = 3 cm
∴ The thickness of the soap bar is 3 cm.