Search found 8 matches
Need help with two Permutation & Combinatorics questions
(1) In how many ways can the letters of the word 'SIMLA' be rearranged, such that the vowels are never together?
(2) In how many ways can 5 boys and 6 girls be arranged in a rose, such that no two boys are together?
- by MoniqueK
Thu Dec 11, 2008 5:21 pm- Forum: Problem Solving
- Topic: Need help with two Permutation & Combinatorics questions
- Replies: 1
- Views: 1242
It's actually a question from material obtained through 4gmat.com. I had exhausted the OG Books and still was scoring in the 650 range, so it was suggested by another member of this forum to try those books out. I definitely agree that the material is on the tougher side, but I have gotten something...
- by MoniqueK
Tue Dec 02, 2008 10:16 am- Forum: Problem Solving
- Topic: If the equation x^4 - 4X^3 + ax^2 + bx + 1 = 0 has four...
- Replies: 2
- Views: 2278
If the equation x^4 - 4X^3 + ax^2 + bx + 1 = 0 has four...
If the equation x^4 - 4X^3 + ax^2 + bx + 1 = 0 has four positive roots, then the values of a & b are?
Can anyone help? The explanation that I have does not make any sense to me.
Thank you in advance!
- by MoniqueK
Mon Dec 01, 2008 4:46 pm- Forum: Problem Solving
- Topic: If the equation x^4 - 4X^3 + ax^2 + bx + 1 = 0 has four...
- Replies: 2
- Views: 2278
Geometry Problem from Quant Review
Does anyone have a better explanation for the following question (#175 - PS from Quant. REview Book)? A square countertop has a square tile inlay in the center, leaving an untiled strip of uniform width around the tile. If the ratio of the tiled area to the untiled area is 25 to 39, which of the fol...
- by MoniqueK
Wed Nov 19, 2008 12:51 pm- Forum: Problem Solving
- Topic: Geometry Problem from Quant Review
- Replies: 4
- Views: 1389
Divisibility Question - Need a better explanation
The question is #169 in the Quant Review book: If n is a positive integer and n^2 is divisible by 72, then the largest positive integer that must divide n is... (A) 6 (B) 12 (C) 24 (D) 36 (E) 48 The explanation provided in the book is not so clear to me. Can anyone help? I find that I generally have...
- by MoniqueK
Wed Nov 19, 2008 12:48 pm- Forum: Problem Solving
- Topic: Divisibility Question - Need a better explanation
- Replies: 2
- Views: 1513
Divisibility Question - Need a better explanation
The question is #169 in the Quant Review book: If n is a positive integer and n^2 is divisible by 72, then the largest positive integer that must divide n is... (A) 6 (B) 12 (C) 24 (D) 36 (E) 48 The explanation provided in the book is not so clear to me. Can anyone help? I find that I generally have...
- by MoniqueK
Wed Nov 19, 2008 12:21 pm- Forum: GMAT Math
- Topic: Divisibility Question - Need a better explanation
- Replies: 1
- Views: 1486
Lost in Strategy
Hello there, So I've read several posts regarding best strategy and have tried to follow accordingly, but after falling behind schedule now feel somewhat lost. I'm working with the OG, Quant. Review Book, and the Verbal Review Book. My strategy, thus far, is to complete problems and enter them in a ...
- by MoniqueK
Wed Nov 19, 2008 11:40 am- Forum: GMAT Strategy
- Topic: Lost in Strategy
- Replies: 1
- Views: 1379
Are schools aware, if you do take the GMAT as a test taker with a disability, that you were given such accommodations? If so, could this be viewed as a disadvantage? Do they view high scores differently?
- by MoniqueK
Sun Oct 26, 2008 9:51 pm- Forum: Ask Stacy Blackman
- Topic: Profile Evaluation and Application Advice
- Replies: 3
- Views: 2953