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In the rectangular coordinate system below, the shaded region is bounded by straight lines. Which of the following is NOT an equation of one of the boundary lines? A. x = 0 B. y = 0 C. x = 1 D. x - y = 0 E. x + 2y = 2 http://s7.postimage.org/rffihy8qv/imgyz.jpg Can someone please give a MEANINGFUL ...

by siddhans

Sun Nov 20, 2011 12:06 pm
Forum: Problem Solving
Topic: coordinate geometry
Replies: 4
Views: 4055

coordinate geometry

In the rectangular coordinate system below, the shaded region is bounded by straight lines. Which of the following is NOT an equation of one of the boundary lines? A. x = 0 B. y = 0 C. x = 1 D. x - y = 0 E. x + 2y = 2 http://s7.postimage.org/rffihy8qv/imgyz.jpg Can someone please give a MEANINGFUL D...

by siddhans

Sun Nov 20, 2011 10:30 am
Forum: Problem Solving
Topic: coordinate geometry
Replies: 4
Views: 4055

amount spent

At the beginning of last month, a stationery store had in stock 250 writing pads, which had cost the store $0.75 each. During the same month, the store made only one purchase of writing pads. What was the total amount spent by the store on the writing pads it had in stock at the end of last month? (...

by siddhans

Thu Nov 17, 2011 2:33 am
Forum: Data Sufficiency
Topic: amount spent
Replies: 9
Views: 1594

A. error 1 - the poliferation...led to the passing; this should be passage. error 2 - allowing - present participle -ing always modify the subject of preceding clause, therefore, allowing modifies "passing of the cyber-squatting act" instead of act itself. B. error 1 - "which" i...

by siddhans

Sat Nov 12, 2011 9:49 am
Forum: Sentence Correction
Topic: The proliferation of so-called cybersquatters...
Replies: 9
Views: 7443

Sorry for taking so long to provide the answers to these questions. Here you go. Let me know if you have any questions! 1: Per the original sentence think about what the hydrocarbons facilitate? Is this the same thing that is communicated by choice D? Per the original sentence hydrocarbons are impo...

by siddhans

Thu Nov 10, 2011 1:53 am
Forum: Sentence Correction
Topic: distinguish x from y or distinguish between x and y ???
Replies: 25
Views: 10870

funky problem....

A certain musical scale has 13 notes, each having a different frequency, measured in cycles per second. In the scale, the notes are ordered by increasing frequency, and the highest frequency is twice the lowest. For each of the 12 lower frequencies, the ratio of a frequency to the next higher freque...

by siddhans

Wed Nov 09, 2011 3:08 am
Forum: Problem Solving
Topic: funky problem....
Replies: 3
Views: 1152

PS001 The cost of picture frame M is $10.00 less than 3 times the cost of picture frame N. If the cost of frame M is $50.00, what is the cost of frame N? A) $13.33 B) $16.66 C) $20.00 D) $26.66 E) $40.00 Answers in three days of time How do you know if we should write M = 3N-10 or M = 10 - 3M ??

by siddhans

Sun Nov 06, 2011 11:57 am
Forum: Problem Solving
Topic: PS question a Day
Replies: 33
Views: 11770

Q: During a car trip, Maria stopped to rest after she traveled 1/2 of the total distance of her destination. She stopped again after she traveled 1/4 of the distance remaining between her stop and her destination, and then she drove the remaining 120 miles to her destination. What was the total dis...

by siddhans

Sun Nov 06, 2011 11:50 am
Forum: Problem Solving
Topic: Maria's Car Trip
Replies: 12
Views: 7006

Q: During a car trip, Maria stopped to rest after she traveled 1/2 of the total distance of her destination. She stopped again after she traveled 1/4 of the distance remaining between her stop and her destination, and then she drove the remaining 120 miles to her destination. What was the total dis...

by siddhans

Sun Nov 06, 2011 11:19 am
Forum: Problem Solving
Topic: Maria's Car Trip
Replies: 12
Views: 7006

GmatKiss wrote:IMO: B

Just answering A,B,C,D,E doesnt help anyone.... Please please explain your reasoning behind your answer....

by siddhans

Fri Oct 28, 2011 8:55 am
Forum: Sentence Correction
Topic: A study of food resources in the North Pacific
Replies: 10
Views: 4484

whats wrong in A v/s B?

A says suffering from dwindling food supplies

B says suffering because food supplies were dwindling


whats the difference in meaning ??? I dont understand

by siddhans

Fri Oct 28, 2011 2:08 am
Forum: Sentence Correction
Topic: A study of food resources in the North Pacific
Replies: 10
Views: 4484

Is this correct way to solve ? 1) xz - yz > 0 z(x-y) > 0 z> 0 or x > y No info about z in relation with x and y ---> Insufficient 2) y(x-z)>0 y > 0 or x > z No info about y in terms of x and x ---> Insufficient 1 + 2 combined, z > 0 and x > y OR z<0 and x<y OR y>0 and x>z OR y< 0 and x < z Insuffici...

by siddhans

Thu Oct 27, 2011 1:40 am
Forum: Data Sufficiency
Topic: X & Y & Z.....PT 2
Replies: 2
Views: 1261

Can someone please comment if this is right approach? Let 'S' be Speed and 'D' be distance. st1)Original Equation: S * (t+2) = D New Equation(If betty's speed was 1 1/2 times as fast the trip would have taken 2 hours) => (S + 3/2 S) * 2 = D S * (t+2) = 5/2 S * 2 Thus 3S = St Thus t = 3 Hence A Is th...

by siddhans

Wed Oct 26, 2011 10:39 pm
Forum: Data Sufficiency
Topic: Rates: How long did it take Betty to drive nonstop on a trip
Replies: 14
Views: 5527

What is the value of |x| ?

How to solve this algebrically? What is the value of |x| ? (1) x = –|x| (2) x^2 = 4 OA B Whats wrong with this method ? ) x = -|x| this x = - (-x) or x = - (+x) since |x| can be +ve pr -ve thus x = x or x = -x x - x = 0 or x + x = 0 0=0 or 2x = 0 x =0.... st 2 says x = +/- 2 but |x| is always +ve ...

by siddhans

Mon Oct 24, 2011 1:25 am
Forum: Data Sufficiency
Topic: What is the value of |x| ?
Replies: 3
Views: 795

IMO (C).. Here (A) Published in Harlem, the owner and editor of The Messenger were two young journalists, Chandler Owen and A. Philip Randolph, who would later make his reputation as a labor leader. (8) Published in Harlem, two young journalists, Chandler Owen and A. Philip Randolph, who would late...

by siddhans

Sun Oct 23, 2011 4:49 pm
Forum: Sentence Correction
Topic: The Messenger
Replies: 9
Views: 5369