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by neeti2711 » Tue Feb 28, 2017 7:12 am
Lacking information about water use, people tend to overestimate the amount of water used by manually-powered equipment, such as sinks and toilets, that must be turned on and off, and underestimate it when used by automated equipment such as fountains and irrigation devices.

(A) manually-powered equipment, such as sinks and toilets, that must be turned on and off, and underestimate it when
(B) manually-powered equipment, such as sinks and toilets, that must be turned on and off, and underestimate that
(C) equipment, such as sinks and toilets, which are manually powered and must be turned on and off and underestimate that
(D) equipment, such as sinks and toilets, that are manually powered and must be turned on and off and underestimate it when
(E) equipment, such as sinks and toilets, that is manually powered and must be turned on and off and underestimate it when

OA: B

Is this a typical GMAT question? I am not certain of the source's authenticity
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Source: — Sentence Correction |

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by Ali Tariq » Tue Feb 28, 2017 10:15 pm
Mimicked after following official SC:

Lacking information about energy use, people tend to overestimate the amount of energy used by equipment, such as lights, that are visible and must be turned on and off and underestimate that used by unobtrusive equipment, such as water heaters.

(A) equipment, such as lights, that are visible and must be turned on and off and underestimate that
(B) equipment, such as lights, that are visible and must be turned on and off and underestimate it when
(C) equipment, such as lights, that is visible and must be turned on and off and underestimate it when
(D) visible equipment, such as lights, that must be turned on and off and underestimate that
(E) visible equipment, such as lights, that must be turned on and off and underestimate it when

OA D
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by ceilidh.erickson » Wed Mar 01, 2017 9:11 am
Neeti - what is the source of this question?

I hope this goes without saying, but you should avoid sources that plagiarize the Official Guide! Not only is it an ethical violation, but it also demonstrates that the writers of the question don't know the test well enough to write their own material. This is clearly not a high-quality source.
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