## 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:
**875**

- by cartera

Sat Feb 07, 2009 11:12 pm- Forum: Problem Solving
- Topic: Even
- Replies:
**7** - Views:
**1347**

- by cartera

Sat Feb 07, 2009 11:11 pm- Forum: Problem Solving
- Topic: value of n
- Replies:
**3** - Views:
**905**

- by cartera

Tue Feb 03, 2009 10:11 pm- Forum: Critical Reasoning
- Topic: Farmers
- Replies:
**13** - Views:
**1970**

- by cartera

Sun Feb 01, 2009 6:30 am- Forum: Critical Reasoning
- Topic: Princeton Verbal CR 15
- Replies:
**7** - Views:
**1406**

- by cartera

Thu Jan 29, 2009 7:41 am- Forum: Problem Solving
- Topic: Value of X
- Replies:
**1** - Views:
**759**

##### 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:
**797**

##### 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:
**1075**

- by cartera

Sun Jan 25, 2009 8:39 pm- Forum: Critical Reasoning
- Topic: Flight 409
- Replies:
**8** - Views:
**2204**

- by cartera

Sat Jan 24, 2009 6:53 pm- Forum: Problem Solving
- Topic: Inequality
- Replies:
**4** - Views:
**995**

##### 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:
**992**

- by cartera

Fri Jan 23, 2009 3:14 am- Forum: Critical Reasoning
- Topic: Treatment
- Replies:
**33** - Views:
**9978**

##### 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:
**911**

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:
**1386**

- by cartera

Thu Jan 22, 2009 8:16 am- Forum: Data Sufficiency
- Topic: Root
- Replies:
**5** - Views:
**1030**