It is currently 22 Nov 2017, 19:07

### 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
Director
Joined: 06 Feb 2006
Posts: 893

Kudos [?]: 129 [0], given: 0

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

### Show Tags

25 Feb 2006, 06:50
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

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

Kudos [?]: 129 [0], given: 0

Director
Joined: 17 Dec 2005
Posts: 544

Kudos [?]: 40 [0], given: 0

Location: Germany

### Show Tags

25 Feb 2006, 07:08
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

Kudos [?]: 40 [0], given: 0

Manager
Joined: 27 Jan 2006
Posts: 103

Kudos [?]: 1 [0], given: 0

Location: Barcelona

### Show Tags

26 Feb 2006, 08:50
C. This fator of conversion is one of the important ones that should be at the fingertips.
_________________

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

Kudos [?]: 1 [0], given: 0

GMAT Club Legend
Joined: 07 Jul 2004
Posts: 5032

Kudos [?]: 453 [0], given: 0

Location: Singapore

### Show Tags

26 Feb 2006, 18:52
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

Kudos [?]: 453 [0], given: 0

VP
Joined: 20 Sep 2005
Posts: 1016

Kudos [?]: 38 [0], given: 0

### Show Tags

27 Feb 2006, 02:03
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

Kudos [?]: 38 [0], given: 0

27 Feb 2006, 02:03
Display posts from previous: Sort by

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

Moderator: chetan2u

 Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.