Search found 273 matches
picking between last 2 on GMAT 2.0 EXAM
Radio stations with radio data system (RDS) technology broadcast special program information that only radios with an RDS feature can receive. Between 1994 and 1996, the number of RDS radio stations in Verdland increased from 250 to 600. However, since the number of RDS-equipped radios in Verdland w...
- by fangtray
Sun May 13, 2012 3:03 am- Forum: Critical Reasoning
- Topic: picking between last 2 on GMAT 2.0 EXAM
- Replies: 9
- Views: 1893
xy plane problem on gmat 2.0 exam
In the xy-plane, at what two points does the graph of y = (x+a)(y+b) intersect the x axis?
1. A + b =1
2. The graph intersects the y-axis at (0,-6)
- by fangtray
Sun May 13, 2012 2:57 am- Forum: Data Sufficiency
- Topic: xy plane problem on gmat 2.0 exam
- Replies: 3
- Views: 950
gmat 2.0 exam prime
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
- by fangtray
Sun May 13, 2012 2:56 am- Forum: Problem Solving
- Topic: gmat 2.0 exam prime
- Replies: 6
- Views: 1355
candy
Rasheed bought two kinds of candy bars, chocolate and toffee, that came in packages of 2 bars each. He handed out 2/3 of the chocolate bars and 3/5 of the toffee bars. How many packages of chocolate bars did Rasheed buy? 1. Rasheed bought 1 fewer package of chocolate bars than toffee bars 2. Rasheed...
- by fangtray
Sun May 13, 2012 2:53 am- Forum: Data Sufficiency
- Topic: candy
- Replies: 4
- Views: 1090
remainder on gmat 2.0 exam
If p and n are positive integers and p > n, what is the remainder when p^2-n^2 is divided by 15?
1. The remainder when p+n is divided by 5 is 1
2. The remainder when p-n is divided by 3 is 1
- by fangtray
Sun May 13, 2012 2:52 am- Forum: Data Sufficiency
- Topic: remainder on gmat 2.0 exam
- Replies: 3
- Views: 900
example number properties DS
is |xy| > x^2y^2? 1. 0<x^2<1/4 2. 0<y^2<1/9 in this question C looks like an obvious answer. But how do we recognize statement 1 and 2 not eing sufficient by itself? Other than "statement 1 says nothing about Y, so it can't be sufficient. We can't assume that all the time. How do we recognize i...
- by fangtray
Fri May 11, 2012 8:23 pm- Forum: Data Sufficiency
- Topic: example number properties DS
- Replies: 2
- Views: 1114
p + s = n
Of the N candies in a bag, some are peppermint and the rest are spearmint. What is the value of N? 1. If 1 peppermint candy were removed from the N candies, 1/5 of the remaining candies would be peppermint. 2. If 2 spearmint candies were removed from the N candies, 1/4 of the remaining candies would...
- by fangtray
Fri May 11, 2012 4:15 pm- Forum: Data Sufficiency
- Topic: p + s = n
- Replies: 1
- Views: 1459
This question came from the new GMAT Prep software: If x is an integer greater than 1, is x equal to the 12th power of an integer? 1) x is equal to the 3rd power of an integer 2) x is equal to the 4th power of an integer Common sense and logic are some of the most underrated GMAT tools; applying &q...
- by fangtray
Fri May 11, 2012 4:00 pm- Forum: Data Sufficiency
- Topic: x=the 12th power of an integer?
- Replies: 19
- Views: 7544
What if we want to find the sum of all consecutive positive integers from 17-401? To find the sum of this AP, we need the number of terms. How do we find that? AP comes to the rescue again! The number of terms can be found by this formula of general term of an AP: an = a + (n - 1)*d If an is the la...
- by fangtray
Fri May 11, 2012 3:27 pm- Forum: Problem Solving
- Topic: finding the sum of consecutive integers
- Replies: 6
- Views: 11772
I thought A^b^c = A^bc? Depends on the parentheses: (a^b)^c = a^bc a^(b)^c = a^(b^c) what if there were no parenthesis...we've worked on many problems where simplying the exponent was just to multiple it.. for example a^b^c 2^3^4 = 2^81? or 2^12.. how am i just finding out about this now..haha... i...
- by fangtray
Fri May 11, 2012 3:23 pm- Forum: Problem Solving
- Topic: exponent rule
- Replies: 6
- Views: 1011
Hi, there! I'm happy to help with this. This is a tricky one. First of all, see the diagram I attached. I'm going to use the notation that a & b are the sides of the rectangle, and of course the diagonal is a diameter with length 2r. One crucial point is to recognize that the Pythagorean Theore...
- by fangtray
Fri May 11, 2012 3:16 pm- Forum: Problem Solving
- Topic: official gmac geometry problem
- Replies: 3
- Views: 977
It is obvious that both the statements are NOT sufficient independently to determine the nature of the slope of BC. Let's combine them. (1)We have a line AB that makes 45 degrees with the negative X-axis but we don't know if A is on the top-left or B is on the top-left. (2)Then a line BC has to mak...
- by fangtray
Fri May 11, 2012 3:09 pm- Forum: Data Sufficiency
- Topic: Question Pack 1 difficult geometry
- Replies: 7
- Views: 1366
At the end of each year, the value of a certain antique watch is c percent more than its value one year earlier, where c has the same value each year. If the value of the watch was k dollars on January 1, 1992, and m dollars on January 1, 1994, then in terms of m and k, what was the value of the wa...
- by fangtray
Fri May 11, 2012 3:04 pm- Forum: Problem Solving
- Topic: How to plug in for this? Official GMAC Hard
- Replies: 5
- Views: 1170
Yes, that's what the case at issue is...that's what I said. If that requirement isn't eliminated, then we don't have the cause and the cause-effect relationship doesn't exist in this instance. hmm im not sure i understand...the cause (eliminating legal restrictions) does happen, then the effect (lo...
- by fangtray
Fri May 11, 2012 2:43 pm- Forum: Critical Reasoning
- Topic: narrow down to 2 answers on CR
- Replies: 8
- Views: 1448
official gmac geometry problem
A rectangle is inscribed in a circle of radius r. If the rectangle is NOT a square, which of the following could be the perimeter of the rectangle?
a. 2r* root(3)
b. 2r* [root(3) + 1]
c. 4r*root(2)
d. 4r*root(3)
e. 4r*[root(3)+1]
- by fangtray
Fri May 11, 2012 7:17 am- Forum: Problem Solving
- Topic: official gmac geometry problem
- Replies: 3
- Views: 977