Search found 266 matches
How did you know that 3^r for example corresponds to the thousands digit? also, would it be possible to elaborate on the breakdown a little more?
Could you also solve by plugging in numbers?
- by pkw209
Mon May 10, 2010 7:14 pm- Forum: Problem Solving
- Topic: 700-800 MGMAT
- Replies: 9
- Views: 1890
700-800 MGMAT
For any four digit number, abcd, *abcd*= (3^a)(5^b)(7^c)(11^d). What is the value of (n – m) if m and n are four-digit numbers for which *m* = (3^r)(5^s)(7^t)(11^u) and *n* = (25)(*m*)?
a) 2000
b) 200
c) 25
d) 20
e) 2
- by pkw209
Mon May 10, 2010 1:51 pm- Forum: Problem Solving
- Topic: 700-800 MGMAT
- Replies: 9
- Views: 1890
- by pkw209
Mon May 10, 2010 1:20 pm- Forum: Data Sufficiency
- Topic: A MGMAT Inequality
- Replies: 5
- Views: 1243
Glaciers Official Guide Question
His studies of ice-polished rocks in his Alpine homeland, far outside the range of present-day glaciers, led Louis Agassiz in 1837 to propose the concept of an age in which great ice sheets had existed in now currently temperate areas . a) in which great ice sheets had existed in now currently tempe...
- by pkw209
Sun May 09, 2010 8:45 pm- Forum: Sentence Correction
- Topic: Glaciers Official Guide Question
- Replies: 4
- Views: 1285
GMAT Prep-Remainder
What is the remainder when the positive integer x is divided by 6? a) When x is divided by 2, the remainder is 1; when x is divided by 3, the remainder is 0. b) when x is divided by 12, the remainder is 3. ******************** Side question-if you pick 3 for x after reading statement 1, is the remai...
- by pkw209
Fri May 07, 2010 11:43 am- Forum: Data Sufficiency
- Topic: GMAT Prep-Remainder
- Replies: 1
- Views: 1245
- by pkw209
Fri May 07, 2010 11:11 am- Forum: Data Sufficiency
- Topic: GMAT Prep - Maria's 40-mile trip
- Replies: 4
- Views: 4257
- by pkw209
Fri May 07, 2010 10:43 am- Forum: Problem Solving
- Topic: standard deviation
- Replies: 8
- Views: 11020
- by pkw209
Thu May 06, 2010 10:29 pm- Forum: Sentence Correction
- Topic: none of my friends
- Replies: 25
- Views: 8342
- by pkw209
Thu May 06, 2010 10:06 pm- Forum: Sentence Correction
- Topic: none of my friends
- Replies: 25
- Views: 8342
Thanks for the response. This question was taken directly from a Kaplan 800 book and the official answer is D. I think it has to be one or the other - it can't be both singular and plural. I just don't understand why there are two rules for the same word...and of course the most puzzling part about ...
- by pkw209
Thu May 06, 2010 9:32 pm- Forum: Sentence Correction
- Topic: none of my friends
- Replies: 25
- Views: 8342
That's correct. However, what's your explanation? Apparently, "none" is supposed to be singular. However, according to MGMAT, "none" is part of the SANAM pronouns, which means that technically the verb should be plural because of "friends." In this case, the answer woul...
- by pkw209
Thu May 06, 2010 7:48 pm- Forum: Sentence Correction
- Topic: none of my friends
- Replies: 25
- Views: 8342
none of my friends
As of this morning, none of my friends have been able to solve the puzzle contained in last week's newspaper. a) none of my friends have been able to solve b) none of my friends was able to solve c) not one of my friends has yet been able to solve d) none of my friends has been able to solve e) nobo...
- by pkw209
Thu May 06, 2010 7:33 pm- Forum: Sentence Correction
- Topic: none of my friends
- Replies: 25
- Views: 8342
So is it safe to assume that X% of Y and Z% of Y = (X% + Z%) of Y?
Is this some form of the weighted average formula?
- by pkw209
Thu May 06, 2010 4:30 pm- Forum: Data Sufficiency
- Topic: GMAT PREP >??
- Replies: 16
- Views: 9125
- by pkw209
Thu May 06, 2010 4:19 pm- Forum: Data Sufficiency
- Topic: Inequalities DS Question from OG
- Replies: 3
- Views: 1296
- by pkw209
Thu May 06, 2010 4:16 pm- Forum: Data Sufficiency
- Topic: Inequalities DS Question from OG
- Replies: 3
- Views: 1296