Search found 192 matches
- by aatech
Wed Jun 04, 2008 9:40 am- Forum: Data Sufficiency
- Topic: Mean and percentage relation
- Replies: 1
- Views: 1358
- by aatech
Wed Jun 04, 2008 9:38 am- Forum: Data Sufficiency
- Topic: Median
- Replies: 5
- Views: 1628
- by aatech
Wed Jun 04, 2008 9:34 am- Forum: Problem Solving
- Topic: Friendship Probability
- Replies: 4
- Views: 1569
That's what I am not getting.. Why do we have to find the mid point of Points P and Q. The question is concerned about a point EQUIDISTANT from P and Q.. IMO, equidistant and midpoint are 2 different things. Although, considering it as midpoint is one possible solution...
- by aatech
Wed Jun 04, 2008 9:33 am- Forum: Problem Solving
- Topic: Slope
- Replies: 17
- Views: 7294
Friendship Probability
In a room filled with 7 people, 4 people have exactly 1 friend in the room and 3 people have exactly 2 friends in the room (Assuming that friendship is a mutual relationship, i.e. if John is Peter's friend, Peter is John's friend). If two individuals are selected from the room at random, what is the...
- by aatech
Tue Jun 03, 2008 1:00 pm- Forum: Problem Solving
- Topic: Friendship Probability
- Replies: 4
- Views: 1569
Median
What is the median value of the set R, if for every term in the set,
R (nth term) = R(n–1 th term) + 3?
(1) The first term of set R is 15.
(2) The mean of set R is 36.
- by aatech
Tue Jun 03, 2008 12:37 pm- Forum: Data Sufficiency
- Topic: Median
- Replies: 5
- Views: 1628
Slope
In the xy-coordinate system, what is the slope of the line that goes through the origin and is equidistant from the two points P = (1, 11) and Q = (7, 7)?
a) 2
b) 2.25
c) 2.50
d) 2.75
e) 3
- by aatech
Tue Jun 03, 2008 12:25 pm- Forum: Problem Solving
- Topic: Slope
- Replies: 17
- Views: 7294
Tiles
In a single row of yellow, green and red colored tiles, every red tile is preceded immediately by a yellow tile and every yellow tile is preceded immediately by a green tile. What color is the 24th tile in the row? (1) The 18th tile in the row is not yellow. (2) The 19th tile in the row is not green.
- by aatech
Tue Jun 03, 2008 12:22 pm- Forum: Data Sufficiency
- Topic: Tiles
- Replies: 6
- Views: 2421
Suppose itenrnal angles are x, y and z
x+y+z=180
m=n=180-x
o=p=180-y
q=r=180-z
m+n+o+p+q+r = 2*(180-x)+2*(180-y)+2*(180-z)
=> 720+360-2(x+y+z) = 720 ANS
- by aatech
Sun Jun 01, 2008 5:57 am- Forum: Problem Solving
- Topic: Geometry
- Replies: 3
- Views: 1731
- by aatech
Sat May 31, 2008 4:40 pm- Forum: Data Sufficiency
- Topic: Is integer n odd
- Replies: 11
- Views: 9214
Ahhhh... That's a good point.. but that leaves us a lot to assume...
OA is E... and the question is out of GMAT PREP...
- by aatech
Sat May 31, 2008 4:32 pm- Forum: Data Sufficiency
- Topic: Perctent Male
- Replies: 4
- Views: 1825
- by aatech
Sat May 31, 2008 12:41 pm- Forum: Data Sufficiency
- Topic: x^4 + y^4
- Replies: 2
- Views: 1555
- by aatech
Sat May 31, 2008 11:20 am- Forum: Data Sufficiency
- Topic: x^4 + y^4
- Replies: 2
- Views: 1555
Perctent Male
If the drama club and music club is combined, what percent of the combined membership is male
1) Of the 16 members of the drama club, 15 are male
2) Of the 20 members of the music club, 10 are male
- by aatech
Sat May 31, 2008 11:14 am- Forum: Data Sufficiency
- Topic: Perctent Male
- Replies: 4
- Views: 1825
Is integer n odd
Is the integer n odd
1) n is divisible by 3
2) 2n is divisible by twice as many positive integers as n
- by aatech
Sat May 31, 2008 11:08 am- Forum: Data Sufficiency
- Topic: Is integer n odd
- Replies: 11
- Views: 9214