Find all School-related info fast with the new School-Specific MBA Forum

 It is currently 06 May 2015, 17:28

### 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 June
Open Detailed Calendar

# If the speed of x meters per second is equivalent to the

Author Message
TAGS:
Director
Joined: 05 Feb 2006
Posts: 902
Followers: 1

Kudos [?]: 51 [0], given: 0

If the speed of x meters per second is equivalent to the [#permalink]  25 Feb 2006, 05:50
If the speed of x meters per second is equivalent to the speed of y kilometers per hour, what is y in terms of x? (1 kilometer=1.000 meters)

A) 5x/18
B) 6x/15
C) 18x/5
D) 60x
E) 3.600.000x
Director
Joined: 17 Dec 2005
Posts: 552
Location: Germany
Followers: 1

Kudos [?]: 12 [0], given: 0

This is an important shortcut if you deal with ratios, speed etc.

It's C

Consequently if you want to express km/h in m/s use 5/18
Manager
Joined: 27 Jan 2006
Posts: 104
Location: Barcelona
Followers: 1

Kudos [?]: 0 [0], given: 0

C. This fator of conversion is one of the important ones that should be at the fingertips.
_________________

...................................................................

GMAT Club Legend
Joined: 07 Jul 2004
Posts: 5078
Location: Singapore
Followers: 22

Kudos [?]: 184 [0], given: 0

x m/s = y km/h

ykm = y*1000m
1h = 60 mins = 3600 seconds

y km/h = 1000y/3600 = 5y/18 m/s

5y/18 = x
y = 18x/5

Ans C
VP
Joined: 20 Sep 2005
Posts: 1023
Followers: 3

Kudos [?]: 27 [0], given: 0

Thanks for pointing that out. Are there others that are useful ?

This is an important shortcut if you deal with ratios, speed etc.

It's C

Consequently if you want to express km/h in m/s use 5/18
Similar topics Replies Last post
Similar
Topics:
4 If the speed of X meters per second is equivalent to the spe 3 14 May 2010, 07:49
7 If the speed of X meters per second is equivalent to the spe 15 04 Jun 2009, 20:39
If the speed of x meters per second is equivalent to y 2 02 Aug 2006, 15:49
If the speed of x meters per second is equivalent to the 2 06 Mar 2006, 15:24
If the speed of x meters per second is equivalent to the 4 11 Oct 2005, 23:42
Display posts from previous: Sort by