GRE Quiz | GRE Quantitative 2 | Question 7

Question 1 – 8 are quantity comparison Questions.

Quantity A: Volume of the cylinder if height is halved

Quantity B: Volume of the cylinder if the radius is halved

(A) Quantity A is greater.
(B) Quantity B is greater.
(C) The two quantities are equal.
(D) The relationship cannot be determined from the information given.

Answer: (A)
Explanation:

Volume of cylinder = π r2 h 

If height is halved then the volume will be halved from the original.
If the radius is halved then the volume will be one four times from the original.
Quantity A is greater than quantity B.

So, option (A) is correct.
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