Gmat

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Submitted By Ashikurrahman
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Breaking down a Long GMATPrep SC problem
A student recently asked me what they should do when faced with Sentence Correction problems containing very long underlines and a “jumble” in the answer choices. Many sentence correction questions can easily be scanned vertically, in order to find differences among the answers. But in some problems, major parts of the sentence move around and the basic structure changes (for instance, an independent clause becomes dependent and vice versa). If you’re a Manhattan GMAT student, we would classify these kinds of questions as ones for which the “splits” are more challenging to identify.
This week and next we’re going to analyze a couple of GMATPrep^ Sentence Correction questions that possess these characteristics. (Note: click here to read about the general process of attacking Sentence Correction questions; the techniques we discuss in this current article are to be used only when necessary.)
Here’s today’s problem; set your timer for 1 minute and 15 seconds and go!
More than 300 rivers drain into Siberia’s Lake Baikal, which holds 20 percent of the world’s fresh water, more than all the North American Great Lakes combined.
(A) More than 300 rivers drain into Siberia’s Lake Baikal, which holds 20 percent of the world’s fresh water, more than all the North American Great Lakes combined.
(B) With 20 percent of the world’s fresh water, that is more than all the North American Great Lakes combined, Siberia’s Lake Baikal has more than 300 rivers that drain into it.
(C) Siberia’s Lake Baikal, with more than 300 rivers draining into it, it holds more of the world’s fresh water than all that of the North American Great Lakes combined, 20 percent.
(D) While more than 300 rivers drain into it, Siberia’s Lake Baikal holds 20 percent of the world’s fresh water, which is more than all the North American Great Lakes combined.
(E)…...

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