Search found 5 matches
1. AB has to be parallel to x-axis...the range for x-axis for this question is -3 ≤ x ≤ 5..i.e 9 points.......therefore, ways to choose 2 points out of 9..and order matters = 9 P 2 = 9! / 7 ! = 72 And each of the above permutation can happen in 10 ways ( consider y axis also)...So total ways for...
- by suruchia
Sun Aug 07, 2011 8:52 am- Forum: Problem Solving
- Topic: xy plane triangle
- Replies: 3
- Views: 2680
Hey Mitch I approached the problem in a slightly different manner. Don't know whether I am correct. 1. Ways of selecting the first marble = 3 * (3/9) = 1 { as there are 3 marbles of one color, and there are 3 different colors} 2. Ways of selecting the first marble = 2 * (3/8) = 3/4 { as there are 3 ...
- by suruchia
Sun Aug 07, 2011 6:22 am- Forum: Problem Solving
- Topic: Marbles
- Replies: 4
- Views: 1776
I think the score is quite accurate.
On real GMAT I got 670( Q-48, V- 34)
I think you should allow Test Prep companies to have some tolerence.
I think the Veritas Prep has the most accurate scoring mechanism of all of them out there !!
- by suruchia
Sun Jul 17, 2011 8:38 am- Forum: GMAT Strategy
- Topic: Veritas Pratice tests
- Replies: 31
- Views: 21370
I took the free Veritas test today and got a score of 690 (Quant-49, verbal-41) . I was too happy to get verbal score in 40s (As I am a non-native English speaker and have never seen a 40 figure in verbal before today) till I read this message thread. :( I have taken Princeton, Kaplan and GMATPrep1...
- by suruchia
Sun Jun 05, 2011 4:57 pm- Forum: GMAT Strategy
- Topic: Veritas Pratice tests
- Replies: 31
- Views: 21370
Doing calculations by conventional methods, in some cases, can be less confusing , and this is a perfect example !!subhashghosh wrote:(t-1) * 6 = 2*t/2
=> 6t - 6 = t
=> t = 6/5
(T-1) * 6 = 2* T * 2
=> 6T - 6 = 4T
=> T = 6/2
So T - t * 60 = 6 * 60 * (0.5 - 0.2)
= 36 * 3 = 108 min
Answer - E
- by suruchia
Sun May 29, 2011 2:19 pm- Forum: Problem Solving
- Topic: Speed and Distance
- Replies: 10
- Views: 2264