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In the figure above, if x : y = 2 : 1 , then x = ? 15 20 25 30 35
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26 Apr 2023, 01:43
26 Apr 2023, 01:43
Expert Reply
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Question Stats:
83% (01:03) correct
16% (00:30) wrong based on 12 sessions
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In the figure above, if x : y = 2 : 1 , then x = ?
15
20
25
30
35
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Re: In the figure above, if x : y = 2 : 1 , then x = ? 15 20 25 30 35
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28 May 2023, 01:16
28 May 2023, 01:16
1
Expert Reply
OE
Given that, x: y = 2:1 ; x is twice the value of y.
If y = k, the value of x would be 2k.
2x + 2x + 3y + y = 180
4x + 4y = 180
Dividing the equation by 4,
x + y = 45
2k + k = 45
3k = 45
k = 15
Since, x = 2k
x = 2 ×15 = 30°
Ans. (D)
Given that, x: y = 2:1 ; x is twice the value of y.
If y = k, the value of x would be 2k.
2x + 2x + 3y + y = 180
4x + 4y = 180
Dividing the equation by 4,
x + y = 45
2k + k = 45
3k = 45
k = 15
Since, x = 2k
x = 2 ×15 = 30°
Ans. (D)
gmatclubot
Re: In the figure above, if x : y = 2 : 1 , then x = ? 15 20 25 30 35 [#permalink]
28 May 2023, 01:16
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