Search found 13 matches
Integer problem from powerprep.
Which of the following ineualities has a solution set that,when graphed on the number line,is a single line segment of finite length??? 1-X^4 GREATER THAN EQUALTO 1. 2-X^3 LESS THAN EQUALTO 27. 3--X^2 GREATER THAN EQULTO 16 4- 2 LESS THAN EQUAL TO MOD X LES THAN EQUALTO 5.. 5-2 LESS THAN EQUAL TO 3X...
- by roybudhaditya
Fri Oct 05, 2007 12:04 pm- Forum: Problem Solving
- Topic: Integer problem from powerprep.
- Replies: 2
- Views: 1463
Coordinate geometry
Lines n & p lie in the XY plane.Is the slope of line n less that the slope of line p???
A--Line n & p intersect at point (5,1).
B--The Y intercept of line n is greater than the Y intercept of line p.
Anything??????????????
- by roybudhaditya
Fri Oct 05, 2007 11:58 am- Forum: Data Sufficiency
- Topic: Coordinate geometry
- Replies: 0
- Views: 1539
Integer problem,
If X & Y are integer,what is the value of X+Y??
A--690<X<Y<696.
B--692<X<Y<695..
HOW TO CALCULATE THIS..
- by roybudhaditya
Fri Oct 05, 2007 11:56 am- Forum: Data Sufficiency
- Topic: Integer problem,
- Replies: 0
- Views: 1766
Coordinate geometry
In the XY plane,line K pases through the point (1,1) & line m passes through the point (1,-1).Are line K & M perpendicular to each other?
A-Line K & M intersect at the point (1,-1).
B-Line K intersect the x-axis at the point (1,0)..
- by roybudhaditya
Fri Oct 05, 2007 11:54 am- Forum: Data Sufficiency
- Topic: Coordinate geometry
- Replies: 0
- Views: 1412
Coordinate geometry
In the XY plane the link k pases through the origin & through the point (a,b),where ab not equal to 0.Is b positive?
1--The slope of line K is negative.
2-a<b..
ANY HELP
- by roybudhaditya
Fri Oct 05, 2007 11:51 am- Forum: Data Sufficiency
- Topic: Coordinate geometry
- Replies: 1
- Views: 1582
SD DS
During an experiment,some water was removed from each of 6 water tanks.If the SD of the volumn of the water in the tank at the begining of the experiment was 10 gallons,what was the SD of the volumns of water in the tank at the end of the experiment?? A--For each tank,30%of the volumn of water that ...
- by roybudhaditya
Fri Oct 05, 2007 11:49 am- Forum: Data Sufficiency
- Topic: SD DS
- Replies: 1
- Views: 2657
common trap...
If X>Y^2>Z^4,,which of the following statements could be true?
1--X>Y>Z.
2--Z>Y>X.
3-X>Z>Y.
a--I only.
b-1 & 2 only.
c-1 & 3 only.
d-2 & 3 only.
e-1 ,2 and 3 only.
any thought?
- by roybudhaditya
Fri Oct 05, 2007 11:40 am- Forum: Problem Solving
- Topic: common trap...
- Replies: 2
- Views: 1621
probability.
For a class of 30 students,2 students did not borrow any books from the library ,12 students exch borrowed 1 book,10 students each borrow 2 books,and the rest of the students exch borrowed at least 3 books.If the average no of books borrowed per students was 2,what is the maximum no of books that an...
- by roybudhaditya
Fri Oct 05, 2007 11:35 am- Forum: Problem Solving
- Topic: probability.
- Replies: 3
- Views: 1537
Coordinate geometry
In the XY-plane,,line K has positive slope & X-intercept 4.If the area of the triangle formed by line K & the two axes are 12.What is the y-intercept of line K?
a- (-6)
b-(-4)
c-(-3).
d-3
e-6...
How it would be calculate>
- by roybudhaditya
Fri Oct 05, 2007 11:32 am- Forum: Problem Solving
- Topic: Coordinate geometry
- Replies: 2
- Views: 1448
Standard deviation gmat preparation.
I always get strucked with SD..plss help.
9.4,9.9,9.9,9.9,10.0,10.2,10.2,10.5
The mean and SD of the 8 numbers shown are 10.0 & 0.3 respectively.What percent of the 8 numbersare within 1 SD of the mean???
a- 90%..b--85%..c--80%...d-75%..e--70%..
- by roybudhaditya
Fri Oct 05, 2007 11:28 am- Forum: Problem Solving
- Topic: Standard deviation gmat preparation.
- Replies: 2
- Views: 1564
gmat powerprep
X^4+Y^4=100.then the greatest possible value of x could be--
1--0 & 3.
2--6 & 9.
3--12 & 15
4--3 & 6
5-9 & 12..
Any approach???
- by roybudhaditya
Fri Oct 05, 2007 11:24 am- Forum: Problem Solving
- Topic: gmat powerprep
- Replies: 3
- Views: 1817
Hello guys,,, I have read alll the answers & I am delighted to say that you all have done exctly what I did in the exam..I ticked A..But then the answer arrived,,it showed that the OA is D ,,that means 1 & 11 must be correct....I was totally abak that my actual gmat is on Tuesday & how c...
- by roybudhaditya
Fri Oct 05, 2007 10:32 am- Forum: Problem Solving
- Topic: gmat powerprep
- Replies: 4
- Views: 1803
gmat powerprep
If x is a postive integer,which of the following could be the correct ordering of 1/x,,2x,,x square......
1:- x square<2x<1/x
2:- x square<1/x<2x
3:-2x< x square<1/x..
A- NONE
B--3 ONLY
C--1 ONLY
D--1 & 2 ONLY.
E--1,2 & 3 ONLY.
Hii,,can anyone plss explain this??
- by roybudhaditya
Fri Oct 05, 2007 5:29 am- Forum: Problem Solving
- Topic: gmat powerprep
- Replies: 4
- Views: 1803