BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

A car dealership carries only sedans and SUVs, and on Tues

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Master | Next Rank: 500 Posts
Posts: 157
Joined: Sat Jan 30, 2016 5:55 am
Thanked: 1 times

A car dealership carries only sedans and SUVs, and on Tues

by eitijan » Thu Mar 31, 2016 9:08 am
Source: VeritasPrep

A car dealership carries only sedans and SUVs, and on Tuesday it sold 1/6 of the sedans that it had in stock at the beginning of the day. If no new inventory arrived at any point on Tuesday, and the only change in inventory was that some vehicles were sold, did the dealership have more than 100 vehicles in inventory at the beginning of the day Tuesday?

(1) By the end of the day, the dealership had sold 8/9 as many sedans as SUVs.

(2) The dealership sold 85% as many sedans on Tuesday as it did on Wednesday.


B
Top
Source: — Data Sufficiency |
User avatar
GMAT Instructor
Posts: 15539
Joined: Tue May 25, 2010 12:04 pm
Location: New York, NY
Thanked: 13060 times
Followed by:1906 members
GMAT Score:790

by GMATGuruNY » Thu Mar 31, 2016 9:18 am
I posted a solution here:

https://www.beatthegmat.com/a-car-dealer ... 14127.html
Private tutor exclusively for the GMAT and GRE, with over 20 years of experience.
Followed here and elsewhere by over 1900 test-takers.
I have worked with students based in the US, Australia, Taiwan, China, Tajikistan, Kuwait, Saudi Arabia -- a long list of countries.
My students have been admitted to HBS, CBS, Tuck, Yale, Stern, Fuqua -- a long list of top programs.

As a tutor, I don't simply teach you how I would approach problems.
I unlock the best way for YOU to solve problems.

For more information, please email me (Mitch Hunt) at [email protected].
Student Review #1
Student Review #2
Student Review #3
Top

GMAT/MBA Expert

User avatar
Elite Legendary Member
Posts: 10392
Joined: Sun Jun 23, 2013 6:38 pm
Location: Palo Alto, CA
Thanked: 2867 times
Followed by:511 members
GMAT Score:800

by [email protected] » Thu Mar 31, 2016 10:24 am
Hi eitijan,

This is a quirky DS question and I imagine that MANY Test Takers would get it wrong. If you pay attention to the numbers and take good notes, then you'll be able to get it correct.

We're told that a car dealership sells only Sedans and SUVS and that it sold 1/6 of its Sedans on Tuesday (notice THAT weird fraction!). No new vehicles were added that day. The question asks IF the dealership has MORE THAN 100 vehicles at the beginning of the day. This is a YES/NO question.

Fact 1 tells us that the dealership sold Sedans and SUVs in a ratio of 8 to 9. This means that the total number of Sedans sold was a multiple of 8 and the total number of SUVs sold is an equivalent multiple of 9

IF....
8 Sedans were sold, and that represents 1/6 of Sedans on the lot, then there were 48 Sedans at the start of the day
So 9 SUVs were sold, but that doesn't tell us how many SUVs there were in total....

If total SUVs = 9, then 48 + 9 = 57 and the answer to the question is NO
If total SUVs = 100, then 48 + 100 = 148 and the answer to the question is YES
Fact 1 is INSUFFICIENT

Fact 2 tells us that Sedans sold on Tuesday = 85% of Sedans sold on Wednesday. **NOTE: Most Test Takers will blow this off because it doesn't mention the SUVs, but think about what 85% MEANS!!!**

85% = 17/20, which means that the LEAST number of Sedans that were sold on Wednesday is 17

With 17 Sedans sold, and that represents 1/6 of Sedans on the lot, then there were 102 Sedans at the start of the day.
THE NUMBER OF SUVs IS IRRELEVENT because we already have over 100 vehicles. The answer to the question is ALWAYS YES!!!
Fact 2 is SUFFICIENT

Final Answer: B

GMAT assassins aren't born, they're made,
Rich
Contact Rich at [email protected]
Image
Top
Post new topic Post Reply
• Page 1 of 1