Physics And Measurement Question 320

Question: A cube has numerically equal volume and surface area. The volume of such a cube is

[CPMT 1971]

Options:

A) 216 units

B) 1000 units

C) 2000 units

D) 3000 units

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Answer:

Correct Answer: A

Solution:

Volume of cube = $ a^{3} $

Surface area of cube = $ 6a^{2} $

according to problem a3 = 6a2

therefore a = 6

$ V=a^{3}=216units $ .



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