x=(1/4)sv^2 In the formula shown, if x/s = 25 and v > 0, what is the v : Problem Solving (PS)

My Profile Logout

Test's Subscription Expires:

My Follow Feed Kudos My Error Log

Messages and Replies

Settings Mark All Read

See All

Applicant Notifications

Settings Mark All Read

See All

Global notifications

Settings Mark All Read

See All

x=(1/4)sv^2 In the formula shown, if x/s = 25 and v > 0, what is the v

Sort by Date

Sort by Kudos

Author

Message

TAGS:

Hide Tags

Find Similar Topics

Director

Joined: 24 Oct 2016

Posts: 535

GMAT 1: 670 Q46 V36

GMAT 2: 690 Q47 V38

x=(1/4)sv^2 In the formula shown, if x/s = 25 and v > 0, what is the v [#permalink]

Show Tags

25 Aug 2018, 09:47

00:00

Difficulty:

5% (low)

Question Stats:

97% (00:49) correct

3% (00:28) wrong

based on 76 sessions

HideShow timer Statistics

x=(1/4)sv^2
In the formula shown, if x/s = 25 and v > 0, what is the value of v ?

A) 9
B) 10
C) 11
D) 29
E) 100

Spoiler: OA

_________________

Most Comprehensive Article on How to Score a 700+ on the GMAT (NEW)
Verb Tenses Simplified

If you found my post useful, KUDOS are much appreciated. Giving Kudos is a great way to thank and motivate contributors, without costing you anything.

Signature Read More

Director

Joined: 20 Feb 2015

Posts: 756

Concentration: Strategy, General Management

Re: x=(1/4)sv^2 In the formula shown, if x/s = 25 and v > 0, what is the v [#permalink]

Show Tags

25 Aug 2018, 10:37

dabaobao wrote:

x=(1/4)sv^2
In the formula shown, if x/s = 25 and v > 0, what is the value of v ?

A) 9
B) 10
C) 11
D) 29
E) 100

x = \(\frac{sv^2}{4}\)
also
x=25s
substituting the values
25s=\(\frac{sv^2}{4}\)
v^2=100
v=10

Board of Directors

Status: QA & VA Forum Moderator

Joined: 11 Jun 2011

Posts: 4784

Location: India

GPA: 3.5

WE: Business Development (Commercial Banking)

Re: x=(1/4)sv^2 In the formula shown, if x/s = 25 and v > 0, what is the v [#permalink]

Show Tags

25 Aug 2018, 11:07

dabaobao wrote:

x=(1/4)sv^2
In the formula shown, if x/s = 25 and v > 0, what is the value of v ?

A) 9
B) 10
C) 11
D) 29
E) 100

\(x=(\frac{1}{4})sv^2\)

Or, \(\frac{x}{s} = (\frac{1}{4})v^2\)

Or, \(25 = (\frac{v^2}{4})\)

Or, \(v^2 = 100\)

So, \(v = 10\) , as \(v > 0\) , Answer must be (B)
_________________

Thanks and Regards

Abhishek....

PLEASE FOLLOW THE RULES FOR POSTING IN QA AND VA FORUM AND USE SEARCH FUNCTION BEFORE POSTING NEW QUESTIONS

How to use Search Function in GMAT Club | Rules for Posting in QA forum | Writing Mathematical Formulas |Rules for Posting in VA forum | Request Expert's Reply ( VA Forum Only )

Signature Read More