Bunuel wrote:
Is the area of circle X greater than the area of circle Y?
(1) The circumference of circle X is greater than the circumference of circle Z, and the circumference of circle Z is less than the circumference of circle Y.
(2) The radius of circle X is greater than the radius of circle Y.
Kudos for a correct solution.
To determine whether the area of circule X is greater than that of circle Y => To determine whether R of X is greater than that of circle Y
(1) The circumference of circle X is greater than the circumference of circle Z, and the circumference of circle Z is less than the circumference of circle Y.
=> R of X > R of Z, R of Z < R of Y
=> Do not know whether R of X > R of Y
=> INSUFFICIENT
(2) The radius of circle X is greater than the radius of circle Y
=> SUFFICIENT
=> Ans: B