Search found 22 matches


I have given my books to a friend, so can't look up the page #, but I am pretty sure this question came from OG (orange book). You should be able to find it fairly quickly after a scan of PS questions.

by JDesai01

Sat Aug 16, 2008 8:02 am
Forum: Problem Solving
Topic: Difficult?
Replies: 10
Views: 14860

720 - feels great

As a person who generally feels confident in his overall sense of self, I admit that the process of studying and then taking the gmat was like none other. The permutations and combinations of emotions this test takes you through shake, rattle, overwhelm, and at times, utterly dominate your mental ps...

by JDesai01

Wed Aug 13, 2008 6:24 pm
Forum: I just Beat The GMAT!
Topic: 720 - feels great
Replies: 2
Views: 2851

Extremely helpful, Ian. Explanations like that make this site so valuable. Thank you, warmly.

by JDesai01

Thu Aug 07, 2008 1:13 pm
Forum: Problem Solving
Topic: Difficult?
Replies: 10
Views: 14860

Difficult?

If s and t are positive integers such that s/t = 64.12, which of the following could be the remainder when s is divided by t?

(a) 2
(b) 4
(c) 8
(d) 20
(e) 45

Answer is E. The gmat explanation is not very practical. Please post advice on how best to solve. Thanks

by JDesai01

Wed Aug 06, 2008 6:15 pm
Forum: Problem Solving
Topic: Difficult?
Replies: 10
Views: 14860

please post answers.

I get:
1.E
2. C
3. E
4. D
5. A

If I'm right, I'll be happy to explain how I got my solutions

by JDesai01

Wed Aug 06, 2008 12:20 pm
Forum: GMAT Math
Topic: PLEASE HELP!!! Cannot get out of my mind those questions.
Replies: 4
Views: 4613

Thank you Ian, that is helpful. This is #6 from OG11. Answer choices are:
A. 9
B. 14
C. 25
D. 30
E. 44

Your estimation method would get you there. Are there any threads of good links that contain quick math tips similar to the one you laid out?

by JDesai01

Tue Aug 05, 2008 6:33 am
Forum: Problem Solving
Topic: Question on doing quick math
Replies: 5
Views: 4597

Question on doing quick math

These easy questions always seem to trip me up on time: A rainstorm increased the amount of water stored in State J reservoirs from 124 billion gallons to 138 billion gallons. If the storm increased the amount of water in the reservoirs to 82% of the total capacity, approximately how many billion ga...

by JDesai01

Mon Aug 04, 2008 6:29 pm
Forum: Problem Solving
Topic: Question on doing quick math
Replies: 5
Views: 4597

Question (gmatprep)

If x and y are positive, which of the following must be greater than 1/(sqroot(x+y))?

I. sqroot(x+y)/2x
II. (sqroot(x) + sqroot(y))/(x+y)
III. (sqroot(x) - sqroot(y))/(x+y)

Thanks

by JDesai01

Mon Aug 04, 2008 3:26 pm
Forum: Problem Solving
Topic: Question (gmatprep)
Replies: 15
Views: 3523

This is a tough question that I definitely would not have been able to do in 2 minutes, but I think I got it. I am no expert, but here is an attempt to explain the question. You need to do several separate combinations: The possible groupings will be 3W, 2W/1M, 1W/2M (W=women, M=man) For 3W: 3 combi...

by JDesai01

Fri Aug 01, 2008 10:13 am
Forum: Problem Solving
Topic: combi ques
Replies: 8
Views: 1852

What is the answer? I think it is D. Think you need to use present perfect "have begun" because the second part of sentence still continues today

by JDesai01

Fri Aug 01, 2008 9:50 am
Forum: Sentence Correction
Topic: Verbal Review Q ..Plz help
Replies: 6
Views: 1841
by JDesai01

Tue Jul 29, 2008 11:39 am
Forum: Problem Solving
Topic: 2 gmat prep 2 questions
Replies: 13
Views: 2671

Divisor = Factor?

Am I missing something when I conclude that a divisor is the same thing as a factor? eg What is the greatest common divisor of positive integers m and n? (1) m is a prime number (2) 2n = 7m I probably wasted 30 seconds trying to figure out what they meant by divisor. Aren't they just asking for the ...

by JDesai01

Mon Jul 28, 2008 5:03 pm
Forum: Data Sufficiency
Topic: Divisor = Factor?
Replies: 3
Views: 17213

And now got the 2nd one.. sorry for the bother. Thanks

by JDesai01

Sun Jul 27, 2008 7:57 am
Forum: Problem Solving
Topic: 2 gmat prep 2 questions
Replies: 13
Views: 2671

Figured out the first one..

by JDesai01

Sun Jul 27, 2008 7:18 am
Forum: Problem Solving
Topic: 2 gmat prep 2 questions
Replies: 13
Views: 2671

2 gmat prep 2 questions

1. (sqroot(9 + sqroot(80)) + sqroot(9 - sqroot(80)))^2 = ?

2. What is the greatest prime factor of 4^17 - 2^28?

Thank you

by JDesai01

Sat Jul 26, 2008 6:16 pm
Forum: Problem Solving
Topic: 2 gmat prep 2 questions
Replies: 13
Views: 2671