Search found 84 matches
- by luvaduva
Mon May 19, 2008 10:28 pm- Forum: Sentence Correction
- Topic: 1000 Sc q30
- Replies: 7
- Views: 2058
y isn't the year he became a doctor, but rather the number of years he was a doctor.
If he became a doctor 10 years earlier, then the number of years as a doctor increases by 10 => y + 10
- by luvaduva
Mon May 19, 2008 12:27 am- Forum: Data Sufficiency
- Topic: Age
- Replies: 5
- Views: 3861
Picking numbers is the quickest way.
This problem is in the Kaplan 800 guide.
For (1) and (2):
x = 2, y = 6 => (2x +2)/y = 1; y/x = 3; 2x/y = 4/6 - Not integer
x = 2, y = 2 => (2x +2)/y = 3; y/x = 1; 2x/y = 2 = Integer
Not Sufficient.
E is OA
- by luvaduva
Mon May 19, 2008 12:19 am- Forum: Data Sufficiency
- Topic: Quickest possible way to solve this DS quesiton?
- Replies: 4
- Views: 1321
I get B) 4.
Basically, you use the fact that the arc length is 1/6 the circumference to determine that the angle of the arc is 60 and use 30-60-90 triangle properties.
A picture is worth a thousand words so...
- by luvaduva
Sun May 18, 2008 4:32 pm- Forum: Problem Solving
- Topic: Circle
- Replies: 5
- Views: 2296
Re: Help Please
Some things that alarmed me about your post: I scored a pathetic 420 I don't know how I could of done so poor I don't think you were prepared for the actual exam. For example, I can probably solve ANY GMAT question given up to 15 minutes to do so. But, that doesn't matter. You get 2 minutes. Also, w...
- by luvaduva
Sun May 18, 2008 11:56 am- Forum: GMAT Math
- Topic: Help Please
- Replies: 2
- Views: 2415
From my experience and what I have read: Easy Problems require 1 step. Medium Problems require either 2 steps or 1 step and a trick/trap. Hard problems require either 3 steps or 2 steps and a trick/trap w/ sometimes more than 1 trick/trap. A lot of times you have to see one of the tricks/traps befor...
- by luvaduva
Sun May 18, 2008 11:30 am- Forum: GMAT Math
- Topic: OG 11 quant questions
- Replies: 1
- Views: 2666
If I told you that there are three points on a line: A, B, and C.
The distance from A to B is 10 units and the distance from A to C is 15 units.
What is the distance from B to C?
- by luvaduva
Sun May 18, 2008 11:21 am- Forum: Problem Solving
- Topic: Can't figure this out!
- Replies: 6
- Views: 3802
Let x = the distance between A and B.
Day 1: Traveled x/3 | Remaining = (2/3)x
Day 2: Traveled (2/5)(2/3)x = (4/15)x | Remaining = x - x/3 + (4/15)x => x - (5/15)x + (4/15)x = (15/15)x - (9/15)x = (6/15)x
Day 3: Traveled 144
Use this to solve for x: 144 = (6/15)x => x =360
Day 1: 360/3 = 120
- by luvaduva
Sat May 17, 2008 11:57 pm- Forum: Problem Solving
- Topic: word problem...so confusing!
- Replies: 1
- Views: 1195
This is how I worked the problem when I first saw it. (1) Infers that r > s or r = s. If r =12 and s =6 Factors of 12 = 1, 2, 3, 4, 6, and 12 Factors of 6 = 1, 2, 3, and 6 12/6 = 2 => Integer If r = 12 and s =12 12/12 = 1 => Integer Sufficient (2) No inference to whether r > s, r = s, or s > r If r ...
- by luvaduva
Sat May 17, 2008 11:33 pm- Forum: Data Sufficiency
- Topic: OG: Factorization
- Replies: 1
- Views: 1342
Important items from the stem: 2, 5, and minutes (1) Think of the SW as not moving and the truck is 2 miles ahead of it. Subtract the SW speed from the truck's speed..70-65 = 5. So, think of the truck as going 5 mph. How long will it take the truck to go 3 miles? d = rt => 3 = 5t => t = 3/5 hours =>...
- by luvaduva
Sat May 17, 2008 10:57 pm- Forum: Data Sufficiency
- Topic: gmat prep average speed
- Replies: 2
- Views: 1417
- by luvaduva
Sat May 17, 2008 9:39 pm- Forum: GMAT Math
- Topic: altitude of a trapezoid
- Replies: 1
- Views: 2121
- by luvaduva
Fri May 02, 2008 3:37 pm- Forum: GMAT Math
- Topic: Who can help me out??
- Replies: 1
- Views: 2046
- by luvaduva
Fri May 02, 2008 11:44 am- Forum: Problem Solving
- Topic: consecutive integers!
- Replies: 2
- Views: 3067
15 coins, 6 nickels, 9 not nickels
Prob of first pick not a nickel = 9/15
Prob of second not being a nick = 8/14
(9/15)*(8/14) = 72/210 = 24/70 = 12/35
- by luvaduva
Tue Apr 29, 2008 8:50 pm- Forum: Problem Solving
- Topic: Probability
- Replies: 4
- Views: 1970
"For a product of integers to be even, at least one of those integers needs to be even. So the question is asking: is either one of m, p, or t even ? " That is exactly what we look for. (1) t - p = p - m t = 2p - m -don't know if p is even or odd, but 2p is even. -don't know if m is even o...
- by luvaduva
Tue Apr 29, 2008 5:25 pm- Forum: Data Sufficiency
- Topic: Odds/Evens: If m, p, and t are positive integers and m <
- Replies: 9
- Views: 9049