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Updated on: 07 Apr 2020, 23:42
Originally posted by GMATWhizTeam on 07 Apr 2020, 08:08.
Last edited by GMATWhizTeam on 07 Apr 2020, 23:42, edited 2 times in total.
Last edited by GMATWhizTeam on 07 Apr 2020, 23:42, edited 2 times in total.
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
(medium)
Question Stats:
60% (01:46) correct
40%
(01:40)
wrong
based on 93
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If AB, CD, PQ, and RS are straight lines, what is the value of x – y?
- I. x = 20
II. (y/10) is a perfect square less than 20
GMATWhiz Quant Prepathon Lesson 3 Question 2
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Updated on: 08 Apr 2020, 06:55
Originally posted by GMATWhizTeam on 07 Apr 2020, 08:09.
Last edited by GMATWhizTeam on 08 Apr 2020, 06:55, edited 1 time in total.
Last edited by GMATWhizTeam on 08 Apr 2020, 06:55, edited 1 time in total.
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Here's the official solution of this question.
Sal91 Sappy Nikhil099 preetamsaha minustark shameekv1989 sauravleo123 - Here's the second question for Lesson 3. Take a stab at it and share your explanations below. All the best!
Sal91 Sappy Nikhil099 preetamsaha minustark shameekv1989 sauravleo123 - Here's the second question for Lesson 3. Take a stab at it and share your explanations below. All the best!
07 Apr 2020, 08:17
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If AB, CD, PQ, and RS are straight lines, what is the value of x – y?
I. x = 20
don't know the value of y. so x-y has no unique value. insufficient
II. (y/10) is a perfect square less than 20
y/10 = 16 ,9 ,4 ,1
or, y= 160,90,40,10
don't know the value of x. so x-y has no unique value. insufficient
combining 1 and 2,
x = 20 and y= 160,90,40,10 so x-y has no unique value. insufficient
correct answer E
I. x = 20
don't know the value of y. so x-y has no unique value. insufficient
II. (y/10) is a perfect square less than 20
y/10 = 16 ,9 ,4 ,1
or, y= 160,90,40,10
don't know the value of x. so x-y has no unique value. insufficient
combining 1 and 2,
x = 20 and y= 160,90,40,10 so x-y has no unique value. insufficient
correct answer E
