Overall, you're absolutely correct. This problem boils down to the modifier (Architects and stonemasons). A modifier can be thought of as a simple aside, or as a set of adjectives that describe something. The caveat is that the something being described must always be close/next to the modifier. For...

Severe hardware and software problems is a plural. This means that the pronoun reflecting it ('that' in A) would need to be plural (ie those) if used at all. This plural aspect helps us eliminate both A and E. The secondary insight is that the pronoun makes the sentence less concise. C and D both su...

Distinguishing ABC from DE hinges on the "from what [it] appears". The question is whether or not the 'it' is necessary. While there is a grammatical issue, this is very much a word choice/phrasing issue as well and to determine this most easily one could rely on their ear, but only if you...

Your AWA and IR fall in line with your quant score, and your verbal score is not tragically off. That said, admissions officers are usually more attuned to the composite score. Also, most MBA programs require proficiency in quantitative, while verbal proficiency is less important to them from an adm...

Excellent question. Verbs need to be either in agreement, or in a tense progression in the case of telling a story. eg She worked a full shift, and then came home and ate a sandwich. In this problem, we begin in the present (are) and (to build) is used as an infinitive. We then shift backward to ref...

7C2 denotes a pair of, in this case, people. In math, we call this a pair as well, or when order matters, an ordered pair. So we get: 1 shaking hands with 2-7 (6 total) 2 shaking hands with 3-7 (5 total) and so on until 6 shaking hands with 7 7C1 means choose a SINGLE member from the group. Hence, t...

A run on sentence is any sentence that contains multiple, unrelated clauses. An example: We cooked the food over the campfire and had to pitch the tent under the tree. Technically, this has two ideas in one sentence that are functionally unrelated. In our example, the clauses are topically related (...