A cube and a cuboid have the same volume. The dimensions of the cuboid – McqOptions

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1.	A cube and a cuboid have the same volume. The dimensions of the cuboid are in ratio of 1 : 2 : 4. If the difference between the cost of polishing the cuboid and cube at the rate of Rs. 5 per m2 is Rs. 80, then their volumes are -
A.	64 m3
B.	128 m3
C.	256 m3
D.	512 m3
Answer» B. 128 m3

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