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

 It is currently 27 May 2015, 23:14

### 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

# The box contains 10 tablets of medicine A and 15 tablets of

Author Message
TAGS:
Manager
Joined: 09 Oct 2008
Posts: 93
Followers: 1

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

The box contains 10 tablets of medicine A and 15 tablets of [#permalink]  10 Oct 2008, 19:06
The box contains 10 tablets of medicine A and 15 tablets of medicine B. N tablets are taken from the box at random. What is the least possible N that ensures that at least two tablets of each kind are among the extracted?

12
15
17
19
21

IMO A: but OA is C(17)

what does least means here..?

its obvious that if we choose 17 then condition will be met but LEAST.........:

if we choose 12 (10+2) dn what wrong in that?

Thanks
VP
Joined: 30 Jun 2008
Posts: 1046
Followers: 11

Kudos [?]: 349 [0], given: 1

Re: Least vs Max [#permalink]  10 Oct 2008, 22:21
vishalgc wrote:
The box contains 10 tablets of medicine A and 15 tablets of medicine B. N tablets are taken from the box at random. What is the least possible N that ensures that at least two tablets of each kind are among the extracted?

12
15
17
19
21

IMO A: but OA is C(17)

what does least means here..?

its obvious that if we choose 17 then condition will be met but LEAST.........:

if we choose 12 (10+2) dn what wrong in that?

Thanks

Vishal. First, don't post OA with your questions let others solve the questions too.

least possible N that ensures means we have to pull out N number of tablets and ensure that have at least 2 tablets of a single color.

So to ensure we get both the colors, we remove 15+2 tablets. So that even if the first fifteen are of the same color, the next two will be of other color.
_________________

"You have to find it. No one else can find it for you." - Bjorn Borg

Manager
Joined: 09 Oct 2008
Posts: 93
Followers: 1

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

Re: Least vs Max [#permalink]  10 Oct 2008, 23:03
Okay boss..

Will not post OA in question.. I think i have not paid much attention to ENSURE word

* in which case 12 can be answer...(?)
Thanks
Re: Least vs Max   [#permalink] 10 Oct 2008, 23:03
Similar topics Replies Last post
Similar
Topics:
New "GMAT PILL HD+" App for Android smartphones and tablets 4 13 Mar 2014, 07:51
20 Machines A and B each produce tablets at their respective co 15 05 Oct 2013, 02:37
5 A box contains 10 tablets of medicine A and 15 tablets 6 11 Aug 2013, 11:05
1 A box contains 30 beads, of which 15 are blue, 9 are red 2 19 Mar 2012, 12:24
Some archaeologists claim that the tablets found at Ebla 10 19 Jun 2007, 11:46
Display posts from previous: Sort by