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18 Nov 2020, 02:06
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B
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:
75% (00:52) correct
25%
(01:04)
wrong
based on 40
sessions
History
Date
Time
Result
Not Attempted Yet
In the figure above, OE bisects ∠AOC and OD bisects ∠AOB, what is the measure of ∠DOE ?
(A) 75
(B) 90
(C) 105
(D) 120
(E) cannot be determined
Attachment:
Untitled.png [ 2.45 KiB | Viewed 6036 times ]
(a) 75 (b) 90 (c) 105 (d) 120 (e) cannot be determined
Updated on: 18 Nov 2020, 04:30
Originally posted by CrackverbalGMAT on 18 Nov 2020, 04:17.
Last edited by CrackverbalGMAT on 18 Nov 2020, 04:30, edited 1 time in total.
Last edited by CrackverbalGMAT on 18 Nov 2020, 04:30, edited 1 time in total.
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Bunuel
Let ∠BOD = ∠DOA = x
Let ∠AOE = ∠EOC = y
∠DOE = x + y
Since we are assuming that BOC is a straight line
Then x + x + y + y = 180
2x + 2y = 180
x + y = 90
Option B
Arun Kumar
18 Nov 2020, 04:19
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CrackVerbalGMAT
OFFICIAL GUIDE:
Problem Solving
Figures: All figures accompanying problem solving questions are intended to provide information useful in solving the problems. Figures are drawn as accurately as possible. Exceptions will be clearly noted. Lines shown as straight are straight, and lines that appear jagged are also straight. The positions of points, angles, regions, etc., exist in the order shown, and angle measures are greater than zero. All figures lie in a plane unless otherwise indicated.
Data Sufficiency:
Figures:
• Figures conform to the information given in the question, but will not necessarily conform to the additional information given in statements (1) and (2).
• Lines shown as straight are straight, and lines that appear jagged are also straight.
• The positions of points, angles, regions, etc., exist in the order shown, and angle measures are greater than zero.
• All figures lie in a plane unless otherwise indicated.
Hope it helps.
