Given: Volume of cuboid=168 m3
Area of its base=28 m2
We know that,
Volume of cuboid=length×breadth×height
Area of its base=length×breadth
Let the height of cuboid be ′h′ m
∴Volume=l×b×h
⇒h=Volumel×b
⇒h=16828
⇒h=6
Hence, the height of the cuboid is 6 m.