Multiple choice The total surface area of a cube is 150 square cm. What is its volume? 64 cubic cm 81 cubic cm 125 cubic cm 160 cubic cm Reveal answer Fill a bubble to check yourself C Correct answer Explanation For a cube, total surface area = 6s² = 150, so s² = 25, s = 5 cm. Volume = s³ = 5³ = 125 cubic cm. Option C is correct. This requires knowing the surface area and volume formulas for a cube.