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12 Jul 2017, 23:28
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D
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Difficulty:
5%
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Question Stats:
93% (01:41) correct
7%
(02:06)
wrong
based on 120
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C is the midpoint of line segment AE and B is the midpoint of line segment AC. If D is a point between A and E so that the length of AB equals the length of DE, what is the ratio "length of CD/length of AC"?
(A) 4/1
(B) 2/1
(C) 3/4
(D) 1/2
(E) 1/4
(A) 4/1
(B) 2/1
(C) 3/4
(D) 1/2
(E) 1/4
13 Jul 2017, 01:22
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Bunuel
C is the midpoint of line segment AE and B is the midpoint of line segment AC. If D is a point between A and E so that the length of AB equals the length of DE, what is the ratio "length of CD/length of AC"?
(A) 4/1
(B) 2/1
(C) 3/4
(D) 1/2
(E) 1/4
(A) 4/1
(B) 2/1
(C) 3/4
(D) 1/2
(E) 1/4
the answer is D
let total length be 12
AC = 6
AB = 3
DE = 3
CD= 3
CD/AC = 1/2
13 Jul 2017, 02:26
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Bunuel
C is the midpoint of line segment AE and B is the midpoint of line segment AC. If D is a point between A and E so that the length of AB equals the length of DE, what is the ratio "length of CD/length of AC"?
(A) 4/1
(B) 2/1
(C) 3/4
(D) 1/2
(E) 1/4
(A) 4/1
(B) 2/1
(C) 3/4
(D) 1/2
(E) 1/4
C is the midpoint of line AE...
Let AC = CE = 2x
A.................2x................C.................2x...................E
B is the midpoint of line segment AC.
AB = BC = AC/2 = x
A........x........B........x........C.................2x..................E
Now, D is a point between A & E. Also AB = DE = x, CD CE - DE = 2x - x = x
So, A........x........B........x........C........x........D.......x........E
CD = x
AC = 2x
CD/AC = 1/2
Answer D
