Search found 34 matches


how did you come up with this arrangement --->x=4*7, y=3*7, z=3*4?

by madsport

Mon Sep 15, 2008 1:33 pm
Forum: Problem Solving
Topic: Least possible value
Replies: 4
Views: 7716

Least possible value

If x, y, and z are positive integers and 3x = 4y = 7z, then the least possible value of x + y + z is

(A) 33
(B) 40
(C) 49
(D) 61
(E) 84

The answer is D

I have no clue how to solve this one

by madsport

Mon Sep 15, 2008 11:39 am
Forum: Problem Solving
Topic: Least possible value
Replies: 4
Views: 7716
by madsport

Mon Sep 15, 2008 11:32 am
Forum: Problem Solving
Topic: Two circular disks
Replies: 3
Views: 1321

Temperature scales problems

The answer is E

This does not make sense to me. Why is the answer E and not M=[(12p)/7]-7 ?

by madsport

Mon Sep 15, 2008 11:09 am
Forum: Problem Solving
Topic: Temperature scales problems
Replies: 4
Views: 1423

marketing survey problem

The answer is C

So how do you solve question 8?

by madsport

Mon Sep 15, 2008 10:59 am
Forum: Problem Solving
Topic: marketing survey problem
Replies: 4
Views: 1474

Temperature average problem

If the average (arithmetic mean) of 5 positive temperatures is x degrees Fahrenheit, then the sum of the 3 greatest of these temperatures, in degrees Fahrenheit, could be

(A) 6x
(B) 4x
(C) 5x/3
(D) 3x/2
(E) 3x/5

The answer is B

How do you solve this problem?

by madsport

Mon Sep 15, 2008 9:39 am
Forum: Problem Solving
Topic: Temperature average problem
Replies: 2
Views: 5606

PS - Voting problem

Mr. Kramer, the losing candidate in a two-candidate election, received 942,568 votes, which was exactly 40 percent of all the votes cast. Approximately what percent of the remaining votes would he need to have received in order to have won at least 50 percent of all the votes cast? (A) 10% (B) 12% (...

by madsport

Sun Sep 14, 2008 7:45 pm
Forum: Problem Solving
Topic: PS - Voting problem
Replies: 1
Views: 1210

Digit problem

If a 3-digit integer is selected at random from the integers 100 through 199, inclusive, what is the probability that the first digit and the last digit of the integer are each equal to one more than the middle digit? (A) 2/225 (B) 1/111 (C) 1/110 (D) 1/100 (E) 1/50 The answer is D So what's the str...

by madsport

Sun Sep 14, 2008 7:24 pm
Forum: Problem Solving
Topic: Digit problem
Replies: 7
Views: 5411

I would love to see the steps taken to solve this one.

by madsport

Sun Sep 14, 2008 5:39 pm
Forum: Problem Solving
Topic: PS- map sell problem
Replies: 6
Views: 2437

PS- map sell problem

A certain store sells all maps at one price and all books at another price. On Monday the store sold 12 maps and 10 books for a total of $38.00, and on Tuesday the store sold 20 maps and 15 books for a total of $60.00. At this store, how much less does a map sell for than a book? (A) $0.25 (B) $0.50...

by madsport

Sun Sep 14, 2008 5:26 pm
Forum: Problem Solving
Topic: PS- map sell problem
Replies: 6
Views: 2437

Please Help - Good question

The answer is A

I don't understand why this is the answer.

by madsport

Sat Sep 13, 2008 3:41 pm
Forum: Reading Comprehension
Topic: Please Help - Good question
Replies: 1
Views: 2486

PS - League Results

The answer is C

Please help[/spoiler]

by madsport

Thu Sep 11, 2008 3:39 pm
Forum: Problem Solving
Topic: PS - League Results
Replies: 6
Views: 1672
by madsport

Tue Sep 09, 2008 10:16 am
Forum: Data Sufficiency
Topic: Please Help
Replies: 1
Views: 1174

Help needed

Can someone help make sense of this for me?

The answer is A

by madsport

Tue Sep 09, 2008 10:07 am
Forum: Data Sufficiency
Topic: Help needed
Replies: 3
Views: 1612