Search found 20 matches
The key-word of the question is "to ensure".
We should consider the most pessimistic case.
I didn't see the solution at a glance, but the process of agoyal2 seems to be the one.
OA?
- by ousek
Tue May 12, 2009 4:18 am- Forum: Problem Solving
- Topic: Science Books
- Replies: 7
- Views: 1374
Same strategy, same result.agoyal2 wrote:The White and Grey are in a ratio of 3:5
So, to make 2 Gallons, you will need :
White = 2*3/8 Gallon = 3/4 Gallon (Purchase 1 Gallon)
Grey = 2*5/8 Gallon = 5/4 Gallon (Purchase 1.5 Gallon)
Total 2.5 Gallon minimum.
OA ?
- by ousek
Tue May 12, 2009 4:10 am- Forum: Problem Solving
- Topic: Paints
- Replies: 6
- Views: 1469
Re: Smallest Altitude of a Triangle
Hi,dtweah wrote:What is the smallest altitude in the triangle with sides 3, 4 and 5?
a. 5/7
b. 1
c. 2
d. 12/5
e. 3
The basic for formula for triangle altitude is:
Area=altitude*base
Hence: 3*4=altitude*5 => altitude=12/5
My answer : D
Best regards,
- by ousek
Tue May 12, 2009 3:56 am- Forum: Problem Solving
- Topic: Smallest Altitude of a Triangle
- Replies: 5
- Views: 9768
Official Answer
The official answer is B. According to me, it is not the only answer possible, as you discovered . R(17/12)=5 R(13/12)=1 Perhaps is the question wrongly designed. Further prospection on the subject gave me the following rules: :arrow: If n is a prime number greater than 3, then the remainder of (n^2...
- by ousek
Tue May 12, 2009 3:27 am- Forum: Problem Solving
- Topic: Prime number division
- Replies: 7
- Views: 2360
Prime number division
Hi,
I got this question from the ETS paper-based of GMAT #37 :
If n is a prime number greater than 3, what is the
remainder when n is divided by 12?
(A) 0
(B) 1
(C) 2
(D) 3
(E) 5
Does anyone have an idea of the answer ?
Ousek
- by ousek
Mon May 11, 2009 11:36 pm- Forum: Problem Solving
- Topic: Prime number division
- Replies: 7
- Views: 2360