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cat2010
Joined: 26 Nov 2022
Last visit: 18 Mar 2023
Posts: 106
Given Kudos: 12
Location: India
Schools: Foster '25 Northeastern Ross '25 UT Dallas
GMAT 1: 700 Q46 V40
GPA: 3.8
29 Nov 2022, 10:51
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
55%
(hard)
Question Stats:
55% (01:54) correct
45%
(02:14)
wrong
based on 65
sessions
History
Date
Time
Result
Not Attempted Yet
What is the perimeter of Rhombus ABCD ?
Statement 1: ΔABD has perimeter 15 .
Statement 2: ΔABC is equilateral.
Statement 1: ΔABD has perimeter 15 .
Statement 2: ΔABC is equilateral.
Pure algebraic questions like this one are no longer part of the GMAT Data Sufficiency syllabus.
For relevant Data Sufficiency questions, please check the Data Sufficiency forum:
Data Sufficiency Forum
Data Sufficiency Forum
16 Dec 2022, 00:00
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a) perimeter of ABD is 15, this doesn't tell about the sides of the triangle ABD it can have multiple possibilities,5,5,5 or 2,2,11 etc. So, it is not sufficient
b) The triangle ABC is equilateral but the sides are not given so, it is also not sufficient
Taking together,
for sides all sides to be equal and triangle ABC is equilateral so, the diagonal should also be 5 and hence the sides should be 5. Hence C is the correct answer
b) The triangle ABC is equilateral but the sides are not given so, it is also not sufficient
Taking together,
for sides all sides to be equal and triangle ABC is equilateral so, the diagonal should also be 5 and hence the sides should be 5. Hence C is the correct answer
