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29 Aug 2018, 02:26
Kudos
Bookmarks
D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
76% (00:41) correct
24%
(01:03)
wrong
based on 79
sessions
History
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Time
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Not Attempted Yet
What is the area of the shaded region if the center of the larger circle lies on the small circle, as shown?
(1) The diameter of the smaller circle is 5.
(2) The circumference of the larger circle is 10 π.
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Chethan92
Joined: 18 Jul 2018
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Location: India
Concentration: Operations, General Management
Schools: IIMB EPGP'22 (M)
GMAT 1: 590 Q46 V25
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WE:Engineering (Energy)
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29 Aug 2018, 02:36
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From 1:
Diameter of the smaller circle becomes the radius of the larger circle.
We can determine the area of the shaded region.
Area of larger circle-Area of smaller circle.
Sufficient.
From 2:
Circumference = 2*pi*r = 10Pi.
r = 5 of bigger circle.
Which is the diameter of the smaller circle.
Sufficient.
D is the answer.
Diameter of the smaller circle becomes the radius of the larger circle.
We can determine the area of the shaded region.
Area of larger circle-Area of smaller circle.
Sufficient.
From 2:
Circumference = 2*pi*r = 10Pi.
r = 5 of bigger circle.
Which is the diameter of the smaller circle.
Sufficient.
D is the answer.
29 Aug 2018, 03:04
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Bookmarks
Bunuel
To know the shaded area, we need to know the radius of any one circle.
Both statements give that info individually.
Answer is D
Thank you = Kudos
