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# x+y or 120

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Joined: 18 Apr 2015
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x+y or 120 [#permalink]  28 Jul 2018, 08:14
Expert's post
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Question Stats:

80% (00:16) correct 20% (00:00) wrong based on 10 sessions
Attachment:

shot24.jpg [ 8.88 KiB | Viewed 175 times ]

 Quantity A Quantity B $$x+y$$ $$120$$

A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.

Kudos for R.A.E
[Reveal] Spoiler: OA

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Joined: 20 Apr 2016
Posts: 743
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Kudos [?]: 500 [1] , given: 86

Re: x+y or 120 [#permalink]  29 Jul 2018, 18:35
1
KUDOS
Carcass wrote:
Attachment:
shot24.jpg

 Quantity A Quantity B $$x+y$$ $$120$$

A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.

Kudos for R.A.E

As per Euclidean plane geometry:

Sum of all angles of a $$\triangle$$ = 180°

so x° + x° + x° = 180°

or 3x° = 180°

or x = 60°

and the sum of all angles of a quadrilateral = 360

therefore 4y° = 360°

or y° = 90°

QTY A = x° + y° = 60° + 90° = 150°

QTY A > QTY B
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Re: x+y or 120   [#permalink] 29 Jul 2018, 18:35
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