Search found 59 matches
Perfect square
n is a positive integer and also a perfect square, is the factors of n a:
a) odd
b) square number
c) prime
OA A but as far as I know, 1 is also a perfect square and 1 only has 2 factors....
- by cartera
Sat Feb 07, 2009 11:29 pm- Forum: Problem Solving
- Topic: Perfect square
- Replies: 4
- Views: 1245
- by cartera
Sat Feb 07, 2009 11:12 pm- Forum: Problem Solving
- Topic: Even
- Replies: 7
- Views: 1760
- by cartera
Sat Feb 07, 2009 11:11 pm- Forum: Problem Solving
- Topic: value of n
- Replies: 3
- Views: 1252
- by cartera
Tue Feb 03, 2009 10:11 pm- Forum: Critical Reasoning
- Topic: Farmers
- Replies: 13
- Views: 2581
- by cartera
Sun Feb 01, 2009 6:30 am- Forum: Critical Reasoning
- Topic: Princeton Verbal CR 15
- Replies: 7
- Views: 1798
- by cartera
Thu Jan 29, 2009 7:41 am- Forum: Problem Solving
- Topic: Value of X
- Replies: 1
- Views: 1036
Value of X
302.Positive integer X and Y. If X is divided by 15, remainder is 1; if X+Y is divided by 15, remainder is 1. What is min of Y?
- by cartera
Thu Jan 29, 2009 7:26 am- Forum: Problem Solving
- Topic: Value of X
- Replies: 4
- Views: 1144
Geometry
In the above rectangle ABCD where AD is the upper line of the rectangle and BC is the lower line of the rectangle , if the area is 84 and the distance between BF and FC 4:3, what is the size of the triangle?
- by cartera
Thu Jan 29, 2009 6:37 am- Forum: Problem Solving
- Topic: Geometry
- Replies: 2
- Views: 1381
- by cartera
Sun Jan 25, 2009 8:39 pm- Forum: Critical Reasoning
- Topic: Flight 409
- Replies: 8
- Views: 2643
- by cartera
Sat Jan 24, 2009 6:53 pm- Forum: Problem Solving
- Topic: Inequality
- Replies: 4
- Views: 1381
Savings
A guy saves $1200 in Jan, Feb and Mar. Ratio of savings of Jan:(Feb+Mar)=1:3. Ratio of Savings in Feb:(Jan+Mar)=7:2, what was the savings of march?
A 200
B 300
C 400
D 500
E 600
OA A
- by cartera
Sat Jan 24, 2009 1:11 am- Forum: Problem Solving
- Topic: Savings
- Replies: 3
- Views: 1313
- by cartera
Fri Jan 23, 2009 3:14 am- Forum: Critical Reasoning
- Topic: Treatment
- Replies: 33
- Views: 11317
Inequality
9*y-4*x^2*y > 0?
1. y>0
2. x> -3/2
OA is
SPOILER: E
but I think it should be B:
9*y-4*x^2*y > 0 =〉9*y>4*x^2*y => 9/4>x^2
===> 2. x> -3/2 => x^2>9/4 then, B
- by cartera
Thu Jan 22, 2009 10:45 pm- Forum: Data Sufficiency
- Topic: Inequality
- Replies: 3
- Views: 1218
x^3y^2z>0?
(1)xz<0
(2)y>0
with the 1st statement, what if y is 0? (x^3)(0^2)z=0--then it is not >0, then statement 1 is not valid...
- by cartera
Thu Jan 22, 2009 9:24 am- Forum: Data Sufficiency
- Topic: Power
- Replies: 4
- Views: 1785
- by cartera
Thu Jan 22, 2009 8:16 am- Forum: Data Sufficiency
- Topic: Root
- Replies: 5
- Views: 1416