Search found 20 matches


GMATPrep 1

If n is a multiple of 5 and n=P^2*Q, where P, Q prime, which is a multiple of 25?
a. P^2
B. Q^2
c. P*Q
d. P^2*Q^2
e. P^3*Q

by Mjkourtis

Sat Sep 29, 2012 12:23 pm
Forum: Problem Solving
Topic: GMATPrep 1
Replies: 2
Views: 1153

Triangles- Geometry- GMATPrep 1 question

See attachment for the figure.

What is BC?
(i) AD= 6
(ii) x=36

by Mjkourtis

Thu Jul 12, 2012 8:37 am
Forum: Data Sufficiency
Topic: Triangles- Geometry- GMATPrep 1 question
Replies: 3
Views: 1402

Sets

Are at least 10% of people older than 65 employed in Country X?

(1) In Country X, 11.3% of the people are 65 or older.
(2) In Country X, of those 65 or older, 20% of men and 10% of women are employed.

by Mjkourtis

Wed Jul 11, 2012 3:29 pm
Forum: Problem Solving
Topic: Sets
Replies: 2
Views: 839

Functions

Does y=3x+2 contain (r,s)?

(1) (3r+2-s)*(4r+9-s)=0
(2) (4r-6-s)*(3r+2-s)=0

by Mjkourtis

Wed Jul 11, 2012 3:25 pm
Forum: Problem Solving
Topic: Functions
Replies: 3
Views: 1161

Tree problem from GMATPrep 1

When a tree was first planted, it was 4 ft. tall. The height increased by a constant each year for the next 6 years. At end, it was 1/5 taller than it was at the end of 4 years. By how many feet did the height increase each year?

A. 3/10
B. 2/5
C. 1/2
D. 2/3
E. 6/5

by Mjkourtis

Wed Jul 11, 2012 7:35 am
Forum: Problem Solving
Topic: Tree problem from GMATPrep 1
Replies: 5
Views: 1494