General Aptitude - 8.2 Volume and Surface Area - Data Sufficiency 1 Free Online Tests | Mock Tests | Preparation | Practice Tests

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Is a given rectangular block, a cube?
I.	At least 2 faces of the rectangular block are squares.
II.	The volume of the block is 64.

A. I alone sufficient while II alone not sufficient to answer

B. II alone sufficient while I alone not sufficient to answer

C. Either I or II alone sufficient to answer

D. Both I and II are not sufficient to answer

E. None of the above

View Answer

Correct choice: D

Explanation:

I gives, any two of l, b, h are equal.

II gives, lbh = 64.

From I and II, the values of l, b, h may be (1 ,1 , 64), (2 ,2 ,16), (4, 4, 4).

Thus, the block may be a cube or cuboid.

∴ Correct answer is (D).

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