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Approximation
An investment compounds annually at an interest rate of 34.1% What is the smallest investment period by which time the investment will more than triple in value?
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- by 1947
Wed Jun 13, 2012 10:20 am- Forum: Problem Solving
- Topic: Approximation
- Replies: 1
- Views: 779
Tough question
A firm's annual revenue grows twice as fast as its costs. In 2007 it operated at a $1000 loss, it broke even in 2008, and in 2009 its revenues were 44% higher than in 2007. If the firm's revenues and costs grew at a constant rate over this period, what was its profit in 2009? A $700 B $1000 C $1300 ...
- by 1947
Wed Jun 13, 2012 10:01 am- Forum: Problem Solving
- Topic: Tough question
- Replies: 7
- Views: 1423
Hi Mitch, Though I agree that answer is E. But regarding "instead" as adverb modifying the clause after it is some thing new. I was aware that adverb can modify only verb and adjective.
can you please throw some light on such usage of ADVERB.
Thanks
- by 1947
Sun Jun 10, 2012 9:52 am- Forum: Sentence Correction
- Topic: Use of Comma and use of Semi-colon
- Replies: 3
- Views: 1395
Please explain the correct answer. In this we have to give a reason that even though number of people is 20s is large and that even though this group reads less newspaper, there should be no decrease in the readership 10 years from now. choice C gives an reasoning as to why can this be correct. bas...
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Sun Jun 10, 2012 5:18 am- Forum: Critical Reasoning
- Topic: GMAT Prep Question Pack
- Replies: 3
- Views: 1218
Since 1966, roughly 21 percent of those enlisted in the USMC had reached an E-5 ranking in fewer than three years . (A) had reached an E-5 ranking in fewer than three years (B) have reached an E-5 ranking in less than three years (C) have reached an E-5 ranking in under three years (D) had reached ...
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Sat Jun 09, 2012 10:02 pm- Forum: Sentence Correction
- Topic: any thought!!!
- Replies: 9
- Views: 2318
The defendant claimed that the destroyed fence was not his responsibility, it was broken by a windstorm years before he was hired to paint it. (A) responsibility, it was broken by a windstorm years ...two IC joined by comma (B) responsibility, and was broken by a windstorm years .... as or bcos is ...
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Sat Jun 09, 2012 9:58 pm- Forum: Sentence Correction
- Topic: SC - Comma splice and conjunction
- Replies: 8
- Views: 1487
Theodore Dreiser, together with Edith Wharton and her contemporaries, rank as one of the nation’s great pioneers of naturalism, a literary style based on the belief that social conditions and hereditary traits exert an inescapable force on human character. (A) rank as one (B) ranks as one (C) has...
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Sat Jun 09, 2012 9:54 pm- Forum: Sentence Correction
- Topic: SC - SV agreement
- Replies: 5
- Views: 1156
Mrs. McGill's family discovered that a box containing documents owned by Mrs. McGill's great-grandmother had survived for the last thirty years in the attic and that, accordingly, the will inside the box, a large inheritance was owed to they. (A) that, accordingly, the will inside the box, a large ...
- by 1947
Sat Jun 09, 2012 9:52 pm- Forum: Sentence Correction
- Topic: SC - Parallelism & Prep Phrase
- Replies: 6
- Views: 1011
Teachers in this country have generally been trained either to approach mathematics like a creative activity or that they should force students to memorize rules and principles without truly understanding how to apply them. A.to approach mathematics like a creative activity or that they should forc...
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Sat Jun 09, 2012 9:47 pm- Forum: Sentence Correction
- Topic: Like vs As
- Replies: 20
- Views: 3312
Rising inflation, when combined with increasingly widespread unemployment, can lead to a severe economic crisis, such situations can have a devastating effect on an entire generation of young professionals. (A) increasingly widespread unemployment, can lead to a severe economic crisis, such situati...
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Sat Jun 09, 2012 9:38 pm- Forum: Sentence Correction
- Topic: SC - Clauses
- Replies: 6
- Views: 1163
- by 1947
Sat Jun 09, 2012 8:31 am- Forum: Problem Solving
- Topic: Vertices of a trianle
- Replies: 7
- Views: 1432
Mitch...you have a number plugging way for all questions....now the question is how can we inculcate such approach... I always approach the questions by regular algebra way....and then you have a quicker way to solve this. a, b, and c are integers and a < b < c. S is the set of all integers from a t...
- by 1947
Thu Jun 07, 2012 10:52 pm- Forum: Problem Solving
- Topic: Qns on Median
- Replies: 12
- Views: 4077
considering points on triangle out of scope.
-9<=x<=9
1<=y<=4
19*4/2 = 38 divided by 2 to count only points within triangle...
- by 1947
Thu Jun 07, 2012 10:40 pm- Forum: Problem Solving
- Topic: Vertices of a trianle
- Replies: 7
- Views: 1432
Hi Mitch, Which approach do you suggest...solving it algebraically or putting in number as you did. I am more used to algebra than plugging in numbers. But I think number plugging might be faster with some practice. Thanks This is from the GMATPrep: The original price of a TV is discounted by X perc...
- by 1947
Thu Jun 07, 2012 10:01 pm- Forum: Problem Solving
- Topic: Discount of a TV
- Replies: 3
- Views: 1115
Is this not too calculation intensive.
[16*(10.4375) - 15*(10.75)]
Can't we approximate it to
16*10.4-15*10.7
=166.4-162.0
=4.4(approx)
I know approx is no way near to real thing...
but in actual exam that's what I would have done
- by 1947
Thu Jun 07, 2012 9:50 pm- Forum: Problem Solving
- Topic: NEW ENTRY PROBLEMS
- Replies: 5
- Views: 7896