Answer: The correct answer is none of the above.
Step-by-step explanation:
Rock is the form of cuboid.
We are given:
Height of the rock = 4 cm
Width of the rock = 2 cm
Length of the rock = 5 cm
To calculate the volume of rock, we use the equation:

Putting values in above equation, we get:

Hence, the correct answer is none of the above.