GMAT Question of the Day - Daily to your Mailbox; hard ones only

 It is currently 23 Feb 2019, 03:43

### GMAT Club Daily Prep

#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

## Events & Promotions

###### Events & Promotions in February
PrevNext
SuMoTuWeThFrSa
272829303112
3456789
10111213141516
17181920212223
242526272812
Open Detailed Calendar
• ### Free GMAT RC Webinar

February 23, 2019

February 23, 2019

07:00 AM PST

09:00 AM PST

Learn reading strategies that can help even non-voracious reader to master GMAT RC. Saturday, February 23rd at 7 AM PT
• ### FREE Quant Workshop by e-GMAT!

February 24, 2019

February 24, 2019

07:00 AM PST

09:00 AM PST

Get personalized insights on how to achieve your Target Quant Score.

# x is between Note: Figure not drawn to scale

Author Message
TAGS:

### Hide Tags

Math Expert
Joined: 02 Sep 2009
Posts: 53066
x is between Note: Figure not drawn to scale  [#permalink]

### Show Tags

18 Oct 2018, 00:56
1
00:00

Difficulty:

35% (medium)

Question Stats:

72% (00:56) correct 28% (01:11) wrong based on 41 sessions

### HideShow timer Statistics

x is between

Note: Figure not drawn to scale

A. 4 and 5
B. 5 and 6
C. 6 and 7
D. 7 and 8
E. 8 and 9

Attachment:

GMAT_PS_Magoosh_200.png [ 9.59 KiB | Viewed 398 times ]

_________________
Intern
Joined: 29 Jan 2017
Posts: 6
x is between Note: Figure not drawn to scale  [#permalink]

### Show Tags

Updated on: 18 Oct 2018, 02:01
x=5√2=7.07... therefore x is between 7 and 8

Posted from my mobile device

Originally posted by garyster on 18 Oct 2018, 01:02.
Last edited by garyster on 18 Oct 2018, 02:01, edited 1 time in total.
Director
Joined: 06 Jan 2015
Posts: 587
Location: India
Concentration: Operations, Finance
GPA: 3.35
WE: Information Technology (Computer Software)
Re: x is between Note: Figure not drawn to scale  [#permalink]

### Show Tags

18 Oct 2018, 01:05
Bunuel wrote:

x is between

Note: Figure not drawn to scale

A. 4 and 5
B. 5 and 6
C. 6 and 7
D. 7 and 8
E. 8 and 9

Attachment:
GMAT_PS_Magoosh_200.png

Since it is right angle triangle

4*15 = 10 + x^2

$$x = 5\sqrt{2}$$

Hence B
_________________

आत्मनॊ मोक्षार्थम् जगद्धिताय च

Resource: GMATPrep RCs With Solution

Intern
Joined: 17 Dec 2016
Posts: 19
x is between Note: Figure not drawn to scale  [#permalink]

### Show Tags

18 Oct 2018, 01:56
1
The triangle is right , so:

$$x^2$$ + $$\sqrt{10}^2$$ = $$(2\sqrt{15})^2$$
--> $$x^2$$ = 50
--> x = $$\sqrt{50}$$

We have$$\sqrt{49}$$ < $$\sqrt{50}$$ < $$\sqrt{64}$$
--> 7<x<8

Hence, Choice D is the answer
x is between Note: Figure not drawn to scale   [#permalink] 18 Oct 2018, 01:56
Display posts from previous: Sort by