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In Teruvia, the quantity of rice produced per year is [#permalink]
05 Feb 2005, 00:03
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In Teruvia, the quantity of rice produced per year is currently just large enough to satisfy domestic demand. Teruviaâ€™s total rice acreage will not be expanded in the foreseeable future, nor will rice yields per acre increase appreciably. Teruviaâ€™s population, however, will be increasing significantly for years to come. Clearly, therefore, Teruvia will soon have to begin importing rice.
Which of the following is an assumption on which the argument depends?
A. No pronounced trend of decreasing per capita demand for rice is imminent in Teruvia.
B. Not all of the acreage in Teruvia currently planted with rice is well suited to the cultivation of rice.
C. None of the strains of rice grown in Teruvia are exceptionally high-yielding.
D. There are no populated regions in Teruvia in which the population will not increase.
E. There are no major crops other than rice for which domestic production and domestic demand are currently in balance in Teruvia
The best rule for assumptions is to negate the given options and see whether the argument falls apart.
Negate E and you get: rice is NOT the only crop available for which supply&demand is balanced.
This is out of scope. We are not interested in what happens to other crops. To the extreme, this also strengthens the argument because if rice supply&demand is balanced, then the author's assertion that the production shortage and population increase will make Teruvia import rice will be true.
I'll give you an example of a simple assumption question:
My poodle is intelligent because all dogs are intelligent
What did we assume in the above for the argument to hold? We assumed that poodles are dogs. If poodles were not dogs, then the argument that "my poodle is intelligent" falls apart. _________________