Search found 273 matches
- by fangtray
Tue May 15, 2012 9:13 pm- Forum: Data Sufficiency
- Topic: Another remainder problem
- Replies: 4
- Views: 1723
(1.00001)(0.99999) – (1.00002)(0.99998) = a. 0 b. 10^-10 c. 3(10^-10) d. 10^-5 e. 3(10^-5) 1.00001 = 1+10ˉ� .99999 = 1-10ˉ� 1.00002 = 1+2(10ˉ�) .99998 = 1-2(10ˉ�) Thus: (1.00001)(0.99999) – (1.00002)(0.99998) = (1+10ˉ�)(1-10ˉ�) - (1 + 2*10ˉ�)(1 - 2*10ˉ�) [Note the differ...
- by fangtray
Tue May 15, 2012 8:54 pm- Forum: Problem Solving
- Topic: GMAT Question Pack 1 hard
- Replies: 8
- Views: 3584
gmat question pack 1 hard remainder
If x and y are integers, what is the remainder when x^2 + y^2 is divided by 5?
1. When x-y is divided by 5, the remainder is 1
2. When x+y is divided by 5, the remainder is 2
- by fangtray
Tue May 15, 2012 7:29 am- Forum: Data Sufficiency
- Topic: gmat question pack 1 hard remainder
- Replies: 3
- Views: 1450
Another remainder problem
If a certain positive integer is divided by 9, the remainder is 3. What is the remainder when the integer is divided by 5?
1. If the integer is divided by 45, the remainder is 30
2. The integer is divisible by 2
- by fangtray
Tue May 15, 2012 7:29 am- Forum: Data Sufficiency
- Topic: Another remainder problem
- Replies: 4
- Views: 1723
gmat question pack 1 plz help
If u(u+v) does not equal 0, u > 0, is 1/(u+v) < (1/u) + v?
1. u + v > 0
2. v > 0
- by fangtray
Tue May 15, 2012 7:28 am- Forum: Data Sufficiency
- Topic: gmat question pack 1 plz help
- Replies: 1
- Views: 1304
GMAT Question Pack 1 hard
(1.00001)(0.99999) – (1.00002)(0.99998) =
a. 0
b. 10^-10
c. 3(10^-10)
d. 10^-5
e. 3(10^-5)
- by fangtray
Tue May 15, 2012 7:27 am- Forum: Problem Solving
- Topic: GMAT Question Pack 1 hard
- Replies: 8
- Views: 3584
Probability and Number Properties
If an integer n is to be chosen at random from integers 1 to 96, inclusive, what is the probability that n(n+1)(n+2) will be divisible by 8?
1. 1/4
2. 3/8
3. 1/2
4. 5/8
5. 3/4
I got the right answer. Took 6 minutes. What's the under 2 minute way to do this?
- by fangtray
Tue May 15, 2012 7:25 am- Forum: Problem Solving
- Topic: Probability and Number Properties
- Replies: 6
- Views: 1407
good find Lala. OA is C. I wonder if there is anything else wrong with E though.LalaB wrote:E is not ok, since u have already the word "today", but at the same time u try to use the word "now". they are similar in the meaning.ranjeet75 wrote:I think E
u dont say -today I am here now.
- by fangtray
Mon May 14, 2012 6:12 pm- Forum: Sentence Correction
- Topic: GMAP Prep 2.1 manufacturing
- Replies: 7
- Views: 1316
The conclusion was about the special program information: "the number of Verdlanders receiving the special program information probably did not increase significantly." Even if non-RDS radios could pick up the broadcasts, they would not receive that special information. Thus, it has no ef...
- by fangtray
Mon May 14, 2012 6:11 pm- Forum: Critical Reasoning
- Topic: picking between last 2 on GMAT 2.0 EXAM
- Replies: 9
- Views: 1896
Ok, let me tell you briefly about Arithmetic Progression (AP) Lets take a few sequences of numbers 6,7,8,9,10,11 -3,-1,1,3,5 8,5,2,-1,-4 Do you notice a pattern in the sequences above? The difference between any two consecutive terms in each of those sequences is Constant throughout the sequence. T...
- by fangtray
Mon May 14, 2012 2:56 pm- Forum: Problem Solving
- Topic: finding the sum of consecutive integers
- Replies: 6
- Views: 11783
The conclusion was about the special program information: "the number of Verdlanders receiving the special program information probably did not increase significantly." Even if non-RDS radios could pick up the broadcasts, they would not receive that special information. Thus, it has no ef...
- by fangtray
Mon May 14, 2012 1:13 am- Forum: Critical Reasoning
- Topic: picking between last 2 on GMAT 2.0 EXAM
- Replies: 9
- Views: 1896
GMAT Prep 2.1 Honeybees
|As the honeybee’s stinger is heavily barbed, staying where it is inserted, this results in the act of stinging causing| the bee to sustain a fatal injury. a. b. As the heavily barbed stinger of the honeybee stays where it is inserted, with the result that the act of stinging causes c. The honeybe...
- by fangtray
Mon May 14, 2012 12:24 am- Forum: Sentence Correction
- Topic: GMAT Prep 2.1 Honeybees
- Replies: 5
- Views: 3425
GMAP Prep 2.1 manufacturing
Today’s technology allows manufacturers to make |small cars more fuel-efficient now than at any time in their| production history. a. b. small cars that are more fuel-efficient than they were at any time in their c. small cars that are more fuel-efficient than those at any other time in d. more fu...
- by fangtray
Mon May 14, 2012 12:22 am- Forum: Sentence Correction
- Topic: GMAP Prep 2.1 manufacturing
- Replies: 7
- Views: 1316
B doesn't work. Even if they can now receive broadcasting, they still can't received the special program information because they don't have RDS radios. so B is wrong because they didn't specify what kind of programming the non-RDS radios could pick up from RDS radio stations even though RDS radio ...
- by fangtray
Sun May 13, 2012 3:26 pm- Forum: Critical Reasoning
- Topic: picking between last 2 on GMAT 2.0 EXAM
- Replies: 9
- Views: 1896
If n is a multiple of 5 and n = p^2q, where p and q are prime numbers, which of the following must be a multiple of 25? a. p^2 b. q^2 c. pq d. P^2q^2 e. p^3q When a question asks for WHAT MUST BE X , try to prove that four of the answer choices DO NOT HAVE TO BE X. The correct answer will be the re...
- by fangtray
Sun May 13, 2012 2:46 pm- Forum: Problem Solving
- Topic: gmat 2.0 exam prime
- Replies: 6
- Views: 1362