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06 Apr 2019, 01:10
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
65%
(hard)
Question Stats:
53% (01:48) correct
47%
(02:01)
wrong
based on 121
sessions
History
Date
Time
Result
Not Attempted Yet
If the center of a circle that has radius of 1 is located at random in a rectangular region with dimensions 10 by 8, what is the
probability that the circumference of the circle will not exceed the rectangular region?
(A) 1/5
(B) pi/10
(C) 2/5
(D) pi/5
(E) 3/5
probability that the circumference of the circle will not exceed the rectangular region?
(A) 1/5
(B) pi/10
(C) 2/5
(D) pi/5
(E) 3/5
06 Apr 2019, 02:02
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MBA20
For circle to remain contained within the rectangle, the centre must be kept at a distance of min 1 unit from boundaries of rectangle
i.e. Centre of the circle may lie within the rectangle of dimension (8-2) and (10-2) i.e. 6*8 region
Probability = favourable Region / Total region = 6*8 / 10*8 = 3/5
Answer: Option E
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General Discussion
27 Jul 2022, 07:18
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