{"id":4596,"date":"2010-10-05T03:00:12","date_gmt":"2010-10-05T11:00:12","guid":{"rendered":"https:\/\/gmatclub.com\/blog\/?p=4596"},"modified":"2010-10-05T03:31:00","modified_gmt":"2010-10-05T11:31:00","slug":"gmat-question-of-the-day-oct-5-arithmetic-and-critical-reasoning","status":"publish","type":"post","link":"https:\/\/gmatclub.com\/blog\/gmat-question-of-the-day-oct-5-arithmetic-and-critical-reasoning\/","title":{"rendered":"GMAT Question of the Day (Oct 5): Arithmetic and Critical Reasoning"},"content":{"rendered":"

Math (DS)<\/strong><\/p>\n

Are integers x, y, and z consecutive?<\/p>\n

1. y equals the arithmetic mean of x and z
\n2. x = -z<\/p>\n

OA and Explanation<\/a><\/p>\n

Verbal (CR)<\/strong><\/p>\n

The Earth\u2019s rivers constantly carry dissolved salts into its oceans. Clearly, therefore, by taking the resulting increase in salt levels in the oceans over the past hundred years and then determining how many centuries of such increases it would have taken the oceans to reach current salt levels from a hypothetical initial salt-free state, the maximum age of the Earth\u2019s oceans can be accurately estimated.<\/p>\n

Which of the following is an assumption on which the argument depends?<\/p>\n

(A) The quantities of dissolved salts deposited by rivers in the Earth\u2019s oceans have not been unusually large during the past hundred years.
\n(B) At any given time, all the Earth\u2019s rivers have about the same salt levels.
\n(C) There are salts that leach into the Earth\u2019s oceans directly from the ocean floor.
\n(D) There is no method superior to that based on salt levels for estimating the maximum age of the Earth\u2019s oceans.
\n(E) None of the salts carried into the Earth\u2019s oceans by rivers are used up by biological activity in the oceans.<\/p>\n

OA and Explanation<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Math (DS) Are integers , , and consecutive? 1. equals the arithmetic mean of and 2. OA and Explanation Verbal (CR) The Earth\u2019s rivers constantly carry dissolved salts into its…<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[152],"tags":[],"class_list":["post-4596","post","type-post","status-publish","format-standard","hentry","category-gmat-tests","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/gmatclub.com\/blog\/wp-json\/wp\/v2\/posts\/4596","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gmatclub.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gmatclub.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gmatclub.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/gmatclub.com\/blog\/wp-json\/wp\/v2\/comments?post=4596"}],"version-history":[{"count":2,"href":"https:\/\/gmatclub.com\/blog\/wp-json\/wp\/v2\/posts\/4596\/revisions"}],"predecessor-version":[{"id":4598,"href":"https:\/\/gmatclub.com\/blog\/wp-json\/wp\/v2\/posts\/4596\/revisions\/4598"}],"wp:attachment":[{"href":"https:\/\/gmatclub.com\/blog\/wp-json\/wp\/v2\/media?parent=4596"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gmatclub.com\/blog\/wp-json\/wp\/v2\/categories?post=4596"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gmatclub.com\/blog\/wp-json\/wp\/v2\/tags?post=4596"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}