Search found 18 matches
Multiples / GCF question
If integer k is equal to the sum of all even multiples of 15 between 295 and 615, what is the greatest prime factor of k?
a. 5
b. 7
c. 11
d. 13
e. 17
Answer is c
Thank you for your help!
- by bronzie35
Fri May 01, 2009 4:11 pm- Forum: Problem Solving
- Topic: Multiples / GCF question
- Replies: 3
- Views: 1603
- by bronzie35
Thu Apr 16, 2009 6:59 pm- Forum: Problem Solving
- Topic: Geometry with inscribed circle
- Replies: 2
- Views: 1308
- by bronzie35
Tue Apr 14, 2009 8:06 am- Forum: Problem Solving
- Topic: Ratio question
- Replies: 2
- Views: 1093
- by bronzie35
Mon Apr 13, 2009 1:00 pm- Forum: Problem Solving
- Topic: GMAT practice test
- Replies: 2
- Views: 974
- by bronzie35
Mon Apr 13, 2009 12:02 pm- Forum: Problem Solving
- Topic: GMAT practice test PS problem
- Replies: 2
- Views: 978
How do you copy the practice test problem and attach it here? I've tried over and over to copy but I can not figure out how to do it.
Thanks.
- by bronzie35
Mon Apr 13, 2009 11:32 am- Forum: Problem Solving
- Topic: Simultaneous rates? easy help
- Replies: 3
- Views: 979
Geometry / ratio question
The perimeters of the square region S and the rectangle region R are equal. If the sides of R are in the ratio 2:3, what is the ratio of the area of region R to the area of region S?
Answer is 24:25
Thank you for helping me to understand this question.
- by bronzie35
Mon Apr 13, 2009 11:26 am- Forum: Problem Solving
- Topic: Geometry / ratio question
- Replies: 3
- Views: 1302
Ratio question
At a university, the ratio of the number of teaching assistants to the number of students in any course must always be greater than 3:80. At the university, what is the maximum number of students possible in a course that has 5 teaching assistants?
answer is 133
Thank you for your help!
- by bronzie35
Mon Apr 13, 2009 11:21 am- Forum: Problem Solving
- Topic: Ratio question
- Replies: 2
- Views: 1093
GMAT practice test
For every integer k from 1 to 10, inclusive, the kth term of a certain sequence is given by (-1) ^k+1 times (1/2^k). If T is the sum of the first 10 terms in the sequence, then T is which fo the following? a. greater than 2 b. between 1 & 2 c. between 1/2 & 1 d. between 1/4 & 1/2 e. less...
- by bronzie35
Mon Apr 13, 2009 11:18 am- Forum: Problem Solving
- Topic: GMAT practice test
- Replies: 2
- Views: 974
GMAT practice test PS problem
Thank you in advance for explaining the problem below.
If (1/5)^m times (1/4)^18 = 1/2(10)^35, then m = ?
a. 17
b. 18
c. 34
d. 35
e. 36
Thank you!
- by bronzie35
Mon Apr 13, 2009 9:26 am- Forum: Problem Solving
- Topic: GMAT practice test PS problem
- Replies: 2
- Views: 978
I have not seen any reviews on McGraw or Barron's. All of the reviews I've seen are in reference to Manhattan GMAT, Kaplan and Princeton Review, and ofcourse the Original Guide for the GMAT. Manhattan has 5 math books that are each about 30 pages and several verbal books. I have 3 of the math books ...
- by bronzie35
Sat Apr 11, 2009 10:17 pm- Forum: GMAT Strategy
- Topic: How are these books
- Replies: 1
- Views: 1145
Yes, I am wondering too, what other practice tests are available? I've used GMAC,Powerprep and Princeton Review. GMAC doesn't provide explanations - I wish it did. I don't know how Powerprep and Princeton compare to the real GMAT.
- by bronzie35
Sat Apr 11, 2009 10:05 pm- Forum: GMAT Strategy
- Topic: Practice tests
- Replies: 1
- Views: 1001
- by bronzie35
Sat Apr 11, 2009 10:01 pm- Forum: GMAT Strategy
- Topic: Reviews of Official Guide Companion 11th Ed.
- Replies: 14
- Views: 10394
- by bronzie35
Sat Apr 11, 2009 9:29 pm- Forum: Problem Solving
- Topic: Powerprep question
- Replies: 4
- Views: 2833
Powerprep question
Hello, I'm having trouble with this question and appreciate explanations to solve. Drum X is 1/2 full of oil and drum Y, which is twice the capacity of drum X, is 2/3 full of oil. If all the oil in drum X is poured into drum Y, then drum Y will be filled to what fraction of its capacity? Answer is 1...
- by bronzie35
Thu Apr 09, 2009 11:17 am- Forum: Problem Solving
- Topic: Powerprep question
- Replies: 4
- Views: 2833