DRDO Multi tasking staff Model paper 7

The surface area of three faces of a cuboid sharing a vertex are 20m2,32m2‌and‌40‌m2 ,
⇒ L × B = 20 sq. Mt
⇒ B × H = 32 sq. Mt
⇒ L × H = 40 sq. Mt
⇒ L × B × B × H × L × H = 20 × 32 × 40
⇒ L2B2H2=25600
⇒ LBH = 160
∴ Volume = LBH =160m3